СПОСОБ ИЗГОТОВЛЕНИЯ НАНОЧАСТИЦ ИЛИ НИТЕВИДНЫХ НАНОКРИСТАЛЛОВ, СПОСОБ ИЗГОТОВЛЕНИЯ НЕОРГАНИЧЕСКИХ ФУЛЛЕРЕНОПОДОБНЫХ СТРУКТУР ХАЛЬКОГЕНИДА МЕТАЛЛА, НЕОРГАНИЧЕСКИЕ ФУЛЛЕРЕНОПОДОБНЫЕ СТРУКТУРЫ ХАЛЬКОГЕНИДА МЕТАЛЛА, СТАБИЛЬНАЯ СУСПЕНЗИЯ IF-СТРУКТУР ХАЛЬКОГЕНИДА МЕТАЛЛА, СПОСОБ ИЗГОТОВЛЕНИЯ ТОНКИХ ПЛЕНОК ИЗ IF-СТРУКТУР ХАЛЬКОГЕНИДА МЕТАЛЛА И ТОНКАЯ ПЛЕНКА, ПОЛУЧЕННАЯ ТАКИМ СПОСОБОМ, И НАСАДКА ДЛЯ РАСТРОВОГО МИКРОСКОПА

Изобретение может быть использовано для получения светочувствительных элементов в солнечных батареях, при производстве инертных насадок для микроскопов SPM, аккумуляторных батарей и т.д. Сущность изобретения: предлагается способ приготовления наночастиц металлических оксидов, содержащих введенные частицы металла, относящийся также к получаемым из данных оксидов неорганическим фуллереноподобным (IF) структурам халькогенидов металла с интеркалированным и/или заключенным внутри металлом, который включает нагрев материала из металла I с водяным паром или выпаривание электронным лучом упомянутого материала из металла I с водой или другим подходящим растворителем, в присутствии соли металла II; сбор оксида металла I с присадкой металла II или продолжение процесса путем последующего сульфидирования, дающего достаточные количества IF-структур халькогенида металла I с интеркалированным и/или заключенным внутри металлом II. Соль металла II представляет собой предпочтительно соль щелочного, щелочноземельного ...

МЕТАЛЛОТЕРМИЧЕСКОЕ ВОССТАНОВЛЕНИЕ ОКИСЛОВ ТУГОПЛАВКИХ МЕТАЛЛОВ

Изобретение относится к получению порошков высокочистых тугоплавких металлов, клапанных субоксидов тугоплавких металлов и клапанных металлов или их сплавов, пригодных для изготовления целого ряда электрических, оптических и прокатных изделий/деталей, получаемых из соответствующих их окислов при металлотермическом восстановлении в твердой или жидкой форме этих окислов, используя восстанавливающий агент, который поддерживает после воспламенения высокоэкзотермическую реакцию, предпочтительно осуществляемую при непрерывной или периодической подаче окисла, например при перемещении под действием силы тяжести. Полученный металл собирают в приемном устройстве, а окисел восстанавливающего металла удаляют в виде газа или в другой удобной форме, тогда как непрореагировавшие производные восстанавливающего агента удаляют выщелачиванием или подобными процессами, обеспечивается высокопроизводительный, непрерывный, управляемый способ получения порошков тугоплавких металлов, обладающих улучшенной морфологией ...

ФОТОКАТАЛИТИЧЕСКИЕ КОМПОЗИЦИОННЫЕ МАТЕРИАЛЫ, СОДЕРЖАЩИЕ ТИТАН И ИЗВЕСТНЯК БЕЗ ДИОКСИДА ТИТАНА

Изобретение может быть использовано в производстве строительных материалов. Фотокаталитический композиционный материал практически без диоксида титана содержит известняк по меньшей мере 0,05% по весу натрия и титанат кальция в кристаллических фазах СТ2 и/или СТ5, характеризуемых следующими дифракционными максимумами: СТ2: (002) d=4,959; (210-202) d=2,890; (013) d=2,762 и (310-122) d-2,138; СТ5: (002) d=8,845; (023) d-4,217; (110) d=3,611 и (006) d=2,948. Эмпирическая формула титаната кальция в фазе СТ2 - CaTiO, а эмпирическая формула титаната кальция в фазе СТ5 - СаTiО. Изобретение позволяет повысить фотокаталитическую активность композиционных материалов без использования диоксида титана. 7 н. и 11 з.п. ф-лы, 8 ил., 7 прим.

СПОСОБ ПОЛУЧЕНИЯ НИТРАТА МЕТАЛЛА НА ПОДЛОЖКЕ

Изобретение относится к области катализаОписанпособ получения оксида металла на подложке и восстановленного оксида металла на подложке, пригодного для использования в качестве предшественника для катализатора или сорбента, включающий стадии: (i) импрегнирования материала подложки раствором нитрата металла в растворителе, (ii) выдерживания импрегнированного материала в газовой смеси, содержащей оксид азота, при температуре в пределах 0-150°C для удаления растворителя из импрегнированного материала с одновременным высушиванием и стабилизацией нитрата металла на подложке, с получением диспергированного на подложке нитрата металла и (iii) кальцинирования диспергированного на подложке нитрата металла для осуществления его разложения и образования оксида металла на подложке, где кальцинирование осуществляют в газовой смеси, которая состоит из одного или нескольких инертных газов и оксида азота и концентрация оксида азота в газовой смеси находится в пределах 0,001-15% об. Технический результат ...

СПОСОБ ФОРМИРОВАНИЯ ЭПИТАКСИАЛЬНЫХ ГЕТЕРОСТРУКТУР EuO/Ge

Изобретение относится к способам формирования эпитаксиальных гетероструктур EuO/Ge, которые могут быть использованы в устройствах спинтроники. Способ формирования эпитаксиальных гетероструктур EuO/Ge включает осаждение на германиевую подложку атомов металла в потоке молекулярного кислорода методом молекулярно-лучевой эпитаксии, при этом поверхность подложки Ge(001) предварительно очищают от слоя естественного оксида, или очищают от слоя естественного оксида и формируют на ней поверхностные фазы Еu, представляющие собой субмонослойные покрытия из атомов европия, после чего при температуре подложки TS=20÷150°C производят осаждение европия при давлении PEu=(0,1÷100)⋅10-8 Торр потока атомов европия (ФEu) в потоке кислорода ФO2 с относительной величиной 2≤ФEu/ФO2≤2,2 до формирования пленки ЕuО толщиной менее 10 нм. Техническим результатом заявляемого изобретения является формирование эпитаксиальных гетероструктур EuO/Ge с атомно-резким интерфейсом без использования буферных слоев. 5 ил., 3 пр ...

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Способ получения суспензии биодеградируемого наноматериала неорганических солей кальция

Изобретение может быть использовано при получении биобезопасного транспортера биологически активных веществ. Способ получения суспензии биодеградируемого наноматериала неорганических солей кальция включает подготовку первого раствора посредством поочередного добавления компонентов водного раствора – растворимой соли кислоты с возможностью образования с кальцием, в качестве катиона, нерастворимого соединения, до концентрации в диапазоне от 0 до 0,1 М, ДМЕМ до объемной доли в диапазоне от 0 до 10 об.% от конечного объема первого раствора, и подготовку второго раствора, содержащего растворимую неорганическую соль кальция с концентрацией в диапазоне от 0,007 до 0,100 М. Второй раствор может содержать хлорид магния. В первый раствор добавляют Твин-20 в диапазоне от 1 до 2 об.% от конечного объема суспензии и полиэтиленгликоль с концентрацией от 0,1 до 0,2 мг/мл. Во второй раствор может быть добавлен ДМЕМ. Полученную суспензию обрабатывают ультразвуком от 2 до 5 мин, отделяют центрифугированием ...

МЕЛКОКРИСТАЛЛИЧЕСКИЙ ZSM-5, ЕГО СИНТЕЗ И ПРИМЕНЕНИЕ

СТАБИЛИЗИРОВАННЫЙ ПОРОШОК СМЕШАННОГО ОКСИДА АЛЮМИНИЯ И ЦИРКОНИЯ

... 1. Порошок смешанного оксида, состоящий из частиц, компонентами которых являются диоксид циркония, оксид алюминия и по крайней мере третий компонент, выбранный из группы, включающей оксид иттрия, оксид магния или оксид кальция, отличающийся тем, что ! содержание оксида алюминия составляет от 0,01 до 10 мас.%, и он гомогенно распределен в частицах смешанного оксида; ! содержание оксида алюминия, диоксида циркония и оксида иттрия составляет по крайней мере 99,5 мас.%, в расчете на общее количество порошка, и ! удельная поверхность по БЭТ составляет от 20 до 80 м2/г. ! 2. Порошок смешанного оксида по п.1, отличающийся тем, что содержание оксида алюминия составляет от 0,1 до 1 мас.%, в расчете на общее количество порошка. ! 3. Порошок смешанного оксида по п.1 или 2, отличающийся тем, что содержание оксида алюминия, диоксида циркония и оксида иттрия составляет по крайней мере 99,7%, в расчете на общее количество порошка. ! 4. Порошок смешанного оксида по п.1, отличающийся тем, что содержание ...

МНОГОСЛОЙНЫЕ ПЛЕНКИ ИЗ КОМПОЗИЦИОННЫХ КРИСТАЛЛИЧЕСКИХ КОЛЛОИДНЫХ ПОСЛЕДОВАТЕЛЬНОСТЕЙ

... 1. Многослойный композиционный материал, содержащий: ! чередующиеся слои первых частиц и вторых частиц, где указанные первые частицы расположены в упорядоченной периодической последовательности и удерживаются в матричной композиции, а указанные вторые частицы внедерены внутрь указанной последовательности или/и матричной композиции. ! 2. Многослойный композиционный материал по п.1, в котором указанные первые частицы содержат органические полимерные частицы, а указанные вторые частицы содержат неорганические частицы. ! 3. Многослойный композиционный материал по п.2, в котором указанные органические полимерные частицы содержат полистирол, акриловый полимер, полиуретан, алкидный полимер, полиэстер, силоксансодержащий полимер, полисульфид и/или эпоксисодержащий полимер. ! 4. Многослойный композиционный материал по п.2, в котором указанные органические полимерные частицы содержат ядро, окруженное оболочкой, имеющей состав отличный от состава ядра. ! 5. Многослойный композиционный материал по ...

СПОСОБ ПОЛУЧЕНИЯ ПОЛУПРОВОДНИКОВЫХ НАНОЧАСТИЦ, ЗАКАНЧИВАЮЩИХСЯ СТАБИЛЬНЫМ КИСЛОРОДОМ

... 1. Способ получения неорганических полупроводниковых наночастиц, имеющих стабильную поверхность, в котором:подготавливают неорганический полупроводниковый материал; иперемалывают сыпучий полупроводниковый материал в присутствии выбранного восстанавливающего агента, химическим путем восстанавливающего оксиды одного или нескольких составных элементов полупроводникового материала, образующихся при размоле, или предотвращающего образование подобных оксидов, будучи преимущественно окисленным, итем самым получают полупроводниковые наночастицы неорганического сыпучего полупроводникового материала, имеющие стабильную поверхность, обеспечивающую электрический контакт между наночастицами.2. Способ по п.1, в котором поверхности наночастиц заканчиваются монослоем субстехиометрического оксида или индивидуальным кислородом, водородом и гидроксильными группами, которые завершают активные центры.3. Способ по п.1, в котором восстанавливают стабильный стехиометрический оксид одного или более составного элемента ...

СПОСОБ ПОЛУЧЕНИЯ НИТРАТА МЕТАЛЛА НА ПОДЛОЖКЕ

... 1. Способ получения нитрата металла на подложке, пригодного для использования в качестве предшественника для катализатора или сорбента, включающий стадии:(i) импрегнирования материала подложки нитратом металла и(ii) выдерживания импрегнированного материала в газовой смеси, содержащей оксид азота, при температуре в пределах 0-150°C, с получением диспергированного на подложке нитрата металла и(iii) дополнительно включающий стадию кальцинирования нитрата металла для осуществления его разложения и образования оксида металла на подложке, где кальцинирование осуществляют в газовой смеси, которая содержит оксид азота, закись азота, или их смесь и имеет содержание кислорода ≤5 об.%.2. Способ по п.1, в котором раствор нитрата металла содержит нитрат переходного металла.3. Способ по п.2, в котором диспергированный на подложке нитрат металла содержит нитрат металла формулы M(OH)(NO), в которой x, y и z представляют собой целые числа ≥1 и M представляет собой переходной металл, предпочтительно железо ...

МАТЕРИАЛ СЛОЖНОГО ОКСИДА И КАТАЛИЗАТОР ОЧИСТКИ ВЫХЛОПНЫХ ГАЗОВ С ЕГО ИСПОЛЬЗОВАНИЕМ

ФОТОКАТАЛИТИЧЕСКИЕ КОМПОЗИЦИОННЫЕ МАТЕРИАЛЫ, СОДЕРЖАЩИЕ ТИТАН И ИЗВЕСТНЯК БЕЗ ДИОКСИДА ТИТАНА

... 1. Фотокаталитический композиционный материал практически без диоксида титана, содержащий известняк и титанат кальция в кристаллических фазах СТ2 и/или СТ5, характеризуемых следующими дифракционными максимумами: ! - СТ2: (002) d=4,959; (210-202) d=2,890; (013) d=2,762 и (310-122) d=2,138; ! - СТ5: (002) d=8,845; (023) d=4,217; (110) d=3,611 и (006) d=2,948, ! отличающийся тем, что эмпирическая формула титаната кальция в фазе СТ2 - CaTi2O5, а эмпирическая формула титаната кальция в фазе СТ5 - CaTi5O11. ! 2. Композиционный материал по п.1, отличающийся тем, что упомянутые максимумы фазы СТ2 индексированы орторомбической ячейкой, имеющей следующие параметры сетки: а=7,1Å, b=5,0Å, с=9,9Å. ! 3. Композиционный материал по п.1, отличающийся тем, что упомянутые максимумы фазы СТ5 индексированы орторомбической ячейкой, имеющей следующие параметры сетки: а=3,8Å, b=12,1Å, с=17,7Å. ! 4. Композиционный материал по пп.1-3, отличающийся тем, что фаза СТ2 присутствует в количестве, равном или схожим с ...

ВОССТАНОВИТЕЛЬНАЯ ФУНКЦИОНАЛИЗАЦИЯ УГЛЕРОДНЫХ НАНОТРУБОК

... 1. Способ, включающий в себя следующие этапы: a) объединение углеродного материала с безводным жидким аммиаком с образованием смеси; b) растворение некоторого количества щелочного металла в смеси с образованием восстановительной смеси; и c) добавление органического галогенида, содержащего органическую часть и галоидную часть, к образованной восстановительной смеси таким образом, что органическая часть органического галогенида присоединяется к углеродному материалу с образованием производного углеродного материала. 2. Способ по п.1, включающий дополнительно этап гашения для нейтрализации избытка щелочного металла, где этап гашения включает в себя взаимодействие избытка щелочного металла с соединениями, выбранными из группы, содержащей спирты, воду и их комбинации, с образованием нейтрализованных соединений из группы, включающей в себя оксиды щелочного металла, гидроксиды щелочного металла и их комбинации. 3. Способ по п.2, включающий дополнительно этап подкисления для нейтрализации неиспарившегося ...

ПРИМЕНЕНИЕ ВАНАДИЙСОДЕРЖАЩИХ ЧАСТИЦ В КАЧЕСТВЕ БИОЦИДА

... 1. Применение ванадийсодержащих частиц, как биоцида.2. Применение по п. 1 частиц пентоксида ванадия и/или частиц ацетилацетоната ванадила, как биоцида.3. Применение по п. 1 или 2 ванадийсодержащих частиц для предотвращения биообрастания и/или роста микроорганизмов.4. Применение по п. 2 для предотвращения роста бактерий и/или организмов, которые вызывают биообрастание, таких как водоросли, ракушки, диатомовые водоросли и моллюски.5. Применение по п. 2 вместе с окисляющим агентом и галогенидом, выбранным из хлорида, бромида и йодида.6. Применение по п. 5, где окисляющим агентом является перекись водорода.7. Применение по пп. 2 и 6, где частицы пентоксида ванадия имеют средний размер частицы от 5 нм до 1 мм, предпочтительно, от 10 нм до 1 мкм и, в частности, от 10 нм до 500 нм.8. Применение по п. 7, где частицы пентоксида ванадия являются наночастицами, предпочтительно нанопроволочками.9. Применение по п. 7, где частицы пентоксида ванадия имеют средний размер частицы от 100 нм до 100 мкм.10 ...

KONTINUIERLICHE VERFAHREN ZUR HERSTELLUNG VON FEINEN KERAMISCHEN TEILCHEN.

Sinter-gestützte Abscheidung von gleichmässigen nanokristallinen Titandioxid-Beschichtungen auf Al-Flakes in wässriger Lösung

Kieselsäure-Metalloxidkompositteilchen und Verfahren zu deren Herstellung

Metal oxide powder useful for high-precision polishing of a semiconductor device, substrate for organoluminescence, mechanical and optical elements, comprising aggregates formed by cohesion of primary particles

The metal oxide powder (I) comprising aggregates formed by cohesion of primary particles, which has a cohesive degree (alpha ) of 1.1 to 2.0 and a cohesive scale (beta ) of 3 to 10, the cohesive degree (alpha ) and the cohesive scale (beta ) being defined by specific formula. The metal oxide powder (I) comprising aggregates formed by cohesion of primary particles, which has a cohesive degree (alpha ) of 1.1 to 2.0 and a cohesive scale (beta ) of 3 to 10, the cohesive degree (alpha ) and the cohesive scale (beta ) being defined by formula (alpha =6/(SXrho Xd(XRD)) (I) and formula (beta =weight average particle diameter/d(XRD)) (II); S : specific surface area of the powder; rho : density; and d(XRD) : particle diameter of the powder determined by X-ray diffraction analysis. Independent claims are included for the following: (1) preparing (M1) (I), involves mixing a diluent with a metal oxide precursor to produce a mixture having a diluent content in the range of 40-70 weight %, milling the ...

Eingekapselte Kieselsäurenanopartikel

Verfahren zur Herstellung von P-halbleitenden TiO2-Nanoröhren

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von p-halbleitenden TiO2-Nanoröhren (5), die so erhaltenen Nanoröhren, sowie deren Verwendung als Elektrode eines Sensors.

VERFAHREN ZUR SOL-GEL-VERARBEITUNG

Porous, fine inorganic particles

Low refractive index particles

Composite pigments

Functionalised silicon nanoparticles

Mesoporous materials

METHOD OF PREPARING METAL CARBIDES AND THE LIKE AND PRECURSORS USED IN SUCH METHOD

BASED DIELECTRIC COMPOSITIONS

Method for efficiently eliminating graphene wrinkles formed by chemical vapor deposition

Disclosed is a method for efficiently eliminating graphene wrinkles formed by a chemical vapor deposition method, involving controllably implanting protons in a high-temperature environment, and directly growing a wrinkle-free super-flat graphene thin film on various metals, such as copper and nickel, alloys thereof, and various non-metal substrates, such as silicon oxide and silicon carbide by precisely controlling the temperature environment and the power and time of hydrogen plasma for generating protons, or eliminating the wrinkles on wrinkled graphene. A plasma-assisted chemical vapor deposition system comprises a plasma generator, a vacuum system, and a heating system, wherein the power of the plasma generator is 5-1000 W, the vacuum system is at 10-5-105Pa, and the controlled heating temperature range of the system is 25-1000ºC. The super-flat wrinkle-free graphene is directly grown by implanting protons while growing on various substrates, and treating wrinkled graphene grown by ...

Process for derivatizing carbon nanotubes with diazonium species and compositions thereof

Composite indium oxide particles and process for manufacturing the same, and conductive coating composition, conductive coating film and conductive sheet

Nitride nanoparticles

The present application provides a light-emissive nitride nanoparticle, for example a nanocrystal, having a photoluminescence quantum yield of at least 1%. The nanoparticle includes at least one capping agent provided on a surface of the nitride crystal and containing an electron-accepting group for passivating nitrogen atoms at the surface of the crystal, and an electron-donating group for passivating metal, boron or silicon at the surface of the crystal. Preferably, the nitride crystal is indium nitride and the capping agent is a zinc carboxylate. The invention also provides non-emissive nitride nanoparticles.

Method of preparing rare earth doped LiNbO3 and LiTaO3 films and powders

Preparation method of sulfonated two-dimensional titanium carbide nanosheet

Improvements relating to graphene nanomaterials

Rram materials and devices

COMPOSITE PIGMENTS

COMPOSITE PIGMENTS

COMPOSITE PIGMENTS

PARTICLE WITH BOUND HALOGENIDER GROUP AND PROCEDURE FOR ITS PRODUCTION

WITH A COVERING SURROUNDINGS, ENDOWED ONE OXIDE PARTICLES

SOOT COMPOSITIONS AND YOUR APPLICATIONS

MIXTURE METAL HYDROXIDES, THEIR PRODUCTION AND USE

ZINC AND MANGANESE ABSTENTION OXIDE PARTICLE

DISPERSION, CAPER MASS AND ABSORBING MEDIUM

INORGANIC PARTICLES AND MANUFACTURING PROCESSES

PROCEDURE FOR THE PRODUCTION OF TITANIUMNITRIDPULVER

HERSTELLUNG GLEICHFÖRMIGER NANOPARTIKEL AUS ULTRAHOCHREINEN METALLOXIDEN, MISCHMETALLOXIDEN, METALLEN UND METALLLEGIERUNGEN

NANO-PARTICLE SYNTHESIS OF MEANS LASER HYDROLYSIS

FLUORESCENCE MARKING MEANS AND FLUORESCENCE MARKING PROCEDURE

PROCEDURE FOR THE PRODUCTION OF ULTRAFEINER POWDERS

PARTIALCRYSTALLINE TRANSITION ALUMINAS, PROCEDURES FOR THEIR PRODUCTION AND USE FOR THE PRODUCTION OF MOLDED ARTICLES, THE ESSENTIALLY FROM GAMMA-A1203 EXISTENCE.

MICRO COMPOUND SYSTEMS AND PROCEDURES FOR YOUR PRODUCTION.

PROCEDURE FOR THE CONTROLLING OF THE ADSORPTION OF POLYMERLATEX AT TITANIUM DIOXIDE

SILICON ALUMINUM MIXTURE OXIDE, PROCEDURE FOR ITS PRODUCTION AND THE USE OF THE MIXTURE OXIDE

PROCEDURE FOR THE PRODUCTION OF PARTICLES WITH A DEFINED SIZE IN A REAKTIONSBEHÄLTER

PIGMENTÄRES MATERIAL

PARTICLE WITH BOUND HALOGENIDER GROUP AND PROCEDURE FOR ITS PRODUCTION

PARTICLE WITH BOUND HALOGENIDER GROUP AND PROCEDURE FOR ITS PRODUCTION

PARTICLE WITH BOUND HALOGENIDER GROUP AND PROCEDURE FOR ITS PRODUCTION

PARTICLE WITH BOUND HALOGENIDER GROUP AND PROCEDURE FOR ITS PRODUCTION

PARTICLE WITH BOUND HALOGENIDER GROUP AND PROCEDURE FOR ITS PRODUCTION

PARTICLE WITH BOUND HALOGENIDER GROUP AND PROCEDURE FOR ITS PRODUCTION

PARTICLE WITH BOUND HALOGENIDER GROUP AND PROCEDURE FOR ITS PRODUCTION

PARTICLE WITH BOUND HALOGENIDER GROUP AND PROCEDURE FOR ITS PRODUCTION

Process for the production of ultrafine particles

Composite pigments

Abstract There is provided a paint formulation comprising a composite pigment, said composite pigment being selected from the group consisting of metal oxide/silica, metal oxide/silicate, metal oxide/alumina, metal oxide/metal oxide and metal oxide/zirconia, wherein the size and amount of said composite pigment are selected to increase the opacity of said paint formulation.

Method for producing zinc oxide platelets with controlled size and morphology

The present invention proposes a method for producing polygonic Zinc oxide platelets having a median specific surface area of more than 25 square meters per gram, in controlled size and morphology, the method comprising: preparing a medium including Zn or its compounds at a concentration within the range between 1.55 and 7.75 moles of Zn/L, in a medium suitable to substitute Zn ions by releasing free protons thereby forming a complex structure including Zn; agitation of the medium in a vessel at a temperature within the range between 50 and 320°C for a duration up to 10 hours to obtain a suspension; filtering the suspension to obtain a filtrate including solid particles; drying and then calcination of the dried filtrate; wherein the agitation is performed with one or more radial flow impellers so that the Reynolds' number in the vessel is higher than 2500 and lower than 10000. The present invention further proposes a product including such platelets.

Permeable graphene and permeable graphene membranes

Continuous permeable graphene films having 2 or more layers of graphene and wherein nanochannels or nanopores extend through said film. Each nanochannel is comprised of a fluidly connected series of gaps between edge mismatches of adjacent graphene grains within said 2 or more layer adjacent sheets, said nanochannels providing a fluid passage from one face of the permeable graphene film to the other. Also, membranes including a permeable support membrane overlaid by a continuous permeable graphene film and processes for the preparation of said membranes. Also the use of said membranes in water purification and desalination, for example.

A process for the preparation of high surface area alpha alumina and the use thereof

The present invention refers to a process for the preparation of a high surface area nanoparticulate alpha alumina.

APPARATUS AND METHOD FOR PRODUCING UNIFORM, FINE BORON-CONTAINING CERAMIC POWDERS

Method of synthesizing of prussion blue nanozymes with peroxidase-like activity for the colorimetric detection of Fe2+

The invention develops a colorimetric method which can detect specific concentration range of Fe2+ with Prussian blue nanozyme. Through co-precipitation synthesis of PVP(K30), PTFE, HCI, and K3[Fe(CN)6] solution, the Prussian blue nanozyme can be obtained. The Prussian blue nanozyme has peroxidase-like activity. The temperature, pH, concentration of H202 and substrate (TMB) are the factors which influence the intrinsic peroxidase-like activity of Prussian blue nanozyme. The best detection conditions are as follows: temperature is equal to 50 C, pH is equal to pH 4.0, the concentration of TMB is 75 pM and the concentration of H202 is 500 pM. Under the best conditions, establish a method to detect Fe2+, the detection range of Fe2+is from 20 pM to 200 pM. Utilizing this method to detect the Fe2+ is accurate. Nanozyme TMB Fe+ Fe2+ oxidation Figure 1 (a)(b Figure 2 (a), (b) ...

Organic inorganic composite powder, process for producing the same and composition containing the powder

CERAMIC ANODE SOLID OXIDE FUEL CELL

Fuel additive containing lattice engineered cerium dioxide nanoparticles

A process for making cerium dioxide nanoparticles containing at least one transition metal (M) utilizing a suspension of cerium hydroxide nanoparticles prepared by mechanical shearing of an aqueous mixture containing an oxidant in an amount effective to enable oxidation of cerous ion to eerie ion, thereby forming a product stream that contains transition metal-containing cerium dioxide nanoparticles, Cel-xMxO2, wherein "x" has a value from about 0.3 to about 0.8. The nanoparticles thus obtained have a cubic fluorite structure, a mean hydrodynamic diameter in the range of about 1 nm to about 10 nm, and a geometric diameter of less than about 4 run. The transition metal-containing crystalline cerium dioxide nanoparticles can be used to prepare a dispersion of the particles in a nonpolar medium.

Fullerenic structures and such structures tethered to carbon materials

Alumina particles and methods of making the same

Exfoliating laminar material by ultrasonication in surfactant

Disclosed herein is a method for exfoliating a laminar material to form an exfoliated material, in which the laminar material is ultrasonicated in a solution of a surfactant for sufficient time to form the exfoliated material. At all times during the ultrasonication the concentration of the surfactant in the solution is maintained sufficient to form a complete monolayer on the surfaces of the laminar material and the exfoliated material in the solution, or sufficient to sterically stabilise the laminar and exfoliated materials against aggregation.

Zinc oxide powder aggregates present in circular, ellipsoidal, linear and branched form

Stable sub-micron titania sols

The present invention is directed to compositions and processes for the production of stable, alkaline, high solids, low viscosity, low surface tension, low flammability, sub-micron titania sols that have minimal offensive odor and methods of their use. Compositions of the present invention include, for example, mixtures of strong and weak organic bases used as dispersants to stabilize the titania sols. The dispersant mixtures have been found to result in relatively high titania solids content, low surface tension, low viscosity suspensions that are low in flammability. Sols produced according to the present invention can be used, for example, in catalytic applications such as catalyst supports for diesel emission control, or in pollutant photocatalyst applications in which it is desirable to have the titania in sol form.

Method for producing organic solvent dispersion of inorganic oxide microparticles

Provided is a method for producing a highly transparent organic solvent dispersion of inorganic oxide microparticles, characterized by comprising mixing an alcohol dispersion of microparticles of an inorganic oxide, that is selected from zirconia and titania, with a silane coupling agent in the presence of an acid in a temperature range of -20 to 60°C, surface-treating the inorganic oxide microparticles by stirring, and then replacing the alcohol by a lipophilic organic solvent.

Stable sub-micron titania sols

The present invention is directed to compositions and processes for the production of stable, alkaline, high solids, low viscosity, low surface tension, low flammability, sub-micron titania sols that have minimal offensive odor and methods of their use. Compositions of the present invention include, for example, mixtures of strong and weak organic bases used as dispersants to stabilize the titania sols. The dispersant mixtures have been found to result in relatively high titania solids content, low surface tension, low viscosity suspensions that are low in flammability. Sols produced according to the present invention can be used, for example, in catalytic applications such as catalyst supports for diesel emission control, or in pollutant photocatalyst applications in which it is desirable to have the titania in sol form.

Cosmetic preparation

Preparation of carbon nanotubes

A method for shaping a nanotube and a nanotube shaped thereby

ZIRCONIUM OXIDE CERAMICS

Titania particles and a process for their production

The invention provides a process for the production of titania particles with a desired morphology. The process comprises providing a titania sol and then trying the sol to provide dried titania particles. The process is characterised in that the morphology of the dried titania particles is controlled by applying one or more of the following criteria:(a) the titania sol is produced from a TiO ...

Zeolites with hierarchical porosity

The present invention concerns zeolites with hierarchical porosity having a molar ratio Si/AI of between 1 and 1.4, inclusive, of which the average diameter, as a number, is between 0.1 μm and 20 μm, having controlled and optimised crystallinity, and having mesoporosity such that the mesoporous outer surface area is between 40 m ...

Oral care and oral hygiene products having photocatalytic activity comprising inorganic particles superficially functionalised with TiO2 nanoparticles

The present invention refers to oral care and oral hygiene products having photocatalytic activity comprising particles of a calcium phosphate compound, superficially functionalised with TiO2 nanoparticles in crystalline form, said TiO2 nanoparticles having: a) a substantially lamellar morphology; b) an aspect ratio (AR) comprised between 5 and 30; c) a surface structure having face (001) as outermost face of the crystalline lattice; and d) wherein the TiO2 is in the form of anatase, optionally mixed with rutile and/or brookite.

A coating composition comprising polymer encapsulated metal oxide opacifying pigments and a process of producing the same

The instant invention provides a coating composition, a process of making a coating composition, a coated article, and a method of making such articles. The coating composition according to the present invention comprises: (a) a dispersion comprising; one or more base polymers; at least one first pigment partially encapsulated by said one or more base polymers, wherein said first pigment is a metal oxide selected from the group consisting of TiO2, SiO2, ZnO, A12O3, combinations thereof; optionnaly one or more stabilizing agents; and a liquid media; and (b) optionnaly a binder composition.

Metal oxide particles and method for producing same

Provided is a method for producing core-shell oxide particles that makes it possible to efficiently and stably obtain core-shell oxide particles in which the entire surface of an oxide particle serving as a core is uniformly coated with an oxide serving as a shell. The method includes at least the following two steps: a step 1 in which the oxide particles serving as a core are precipitated within a mixed fluid obtained by mixing a core oxide raw material liquid and an oxide precipitation solvent; and a step 2 in which the mixed fluid is mixed with a shell oxide raw material liquid and the entire surface of the oxide particles serving as a core is uniformly coated with the oxide serving as a shell. (A) At least step 1 and step 2 are carried out continuously between at least two processing surfaces 1, 2 that are capable of approaching and separating from each other and that rotate relative to each other. (B) Step 2 is completed after step 1 during a predetermined time in which aggregation ...

Modified kaolins

Separation process

Gloss emulsion paints

MICRO COMPOSITE SYSTEMS AND PROCESSES FOR MAKING SAME

APPARATUS AND METHOD FOR PRODUCING UNIFORM, FINE BORON-CONTAINING CERAMIC POWDERS

Ultraviolet shielding composite fine particles, method for producing the same, and cosmetics

Photo electrodes

Methods of fabricating nano particulate Titanium dioxide photocatalysts onto a conducting substrate are disclosed. The methods include hydrothermal fabrications with heat treatment steps to increase the crystallinity and photoactivity of the titanium dioxide layers.

ELECTROSPUN SINGLE CRYSTAL MoO3 NANOWIRES FOR BIO-CHEM SENSING PROBES

Single crystal M o O 3 nanowires were produced using an electrospinning technique. High resolution transmission electron microscopy (HRTEM) revealed that the 1-D nanostructures are from 10-20 nm in diameter, on the order of 1-2 μm in length, and have the orthorhombic M o O 3 structure. The structure, crystallinity, and sensoric character of these electrostatically processed nanowires are discussed. It has been demonstrated that the non-woven-network of M o O 3 nanowires exhibits higher sensitivity and an n-type response to NH 3 as compared to the response of a sol-gel based sensor.

Process for production of magnetic thin film, magnetic thin film, and magnetic material

The present invention provides a process for production of a magnetic thin film which has insulation properties, serves as a permanent magnet, and has improved residual magnetization in comparison with prior arts, the magnetic thin film, and a magnetic material. When a magnetic thin film 3 is formed, an external magnetic field with a predetermined intensity is applied to a coating liquid containing magnetic particles containing epsilon-type iron-oxide-based compounds which have insulation properties and which serve as a permanent magnet, and the coating liquid is let cured in order to form the magnetic thin film 3 . Accordingly, the magnetic particles containing the epsilon-type iron-oxide-based compounds can be fixed while being oriented regularly in a magnetization direction. This realizes the process for production of the magnetic thin film 3 which has insulation properties and which serve as a permanent magnet, the magnetic thin film 3 , and a magnetic material 1.

Spinel-Type Lithium Titanium Oxide/Graphene Composite and Method of Preparing the Same

A spinel-type lithium titanium oxide/graphene composite and a method of preparing the same are provided. The method can be useful in simplifying a manufacturing process and shortening a manufacturing time using microwave associated solvothermal reaction and post heat treatment, and the spinel-type lithium titanium oxide/graphene composite may have high electrochemical performances due to its excellent capacity and rate capability and long lifespan, and thus be used as an electrode material of the lithium secondary battery.

Black composite particle, black resin composition, color filter substrate and liquid crystal display

Disclosed are black composite particles having a high light-shielding performance suitable as a black component such as a black matrix in a color filter. Further disclosed is a black resin composition from which a black matrix having a high light-shielding performance can be formed. The black composite particles are represented by the composition formula: TiNxOy.zX (wherein X is a metal atom such as silver; x is a number greater than 0 and less than 2; y is a number not less than 0 and less than 2; and z is a number greater than 0 and less than 10). The black resin composition comprises at least a light shielding agent, a resin, and a solvent and comprises the black composite particles as the light shielding agent.

Methods of forming aggregate particles of nanomaterials

Methods for forming aggregates of nanomaterials are provided. The aggregates are formed from a liquid dispersion of the nanomaterials in a liquid. The dispersion is aerosolized and the liquid removed from the aerosolized dispersion to provide the aggregates. The aggregates are useful as a photoelectric layer and/or a light-dispersive layer in dye-sensitized solar cells.

Synthesis of Nanoparticles by Means of Ionic Liquids

A method for producing nanoscale particles by means of ionic liquids produces highly crystalline particles. The ionic liquids can be easily regenerated.

Titanium Oxide Spacing by SIP

A method of making a titanium oxide-containing coating composition comprises attaching an initiator to a pretreated titanium oxide to form an initiator/pretreated titanium oxide complex. The pretreated titanium oxide includes a plurality of pretreated titanium oxide particles which are titanium oxide particles that are pretreated with at least one metal oxide. The initiator/pretreated titanium oxide complex is contacted with a polymerizable unsaturated monomer such that a polymeric encapsulate forms on the initiator/pretreated titanium oxide particles to form polymeric encapsulated titanium oxide particles.

Stable Sub-Micron Titania Sols

The present invention is directed to compositions and processes for the production of stable, alkaline, high solids, low viscosity, low surface tension, low flammability, sub-micron titania sols that have minimal offensive odor and methods of their use. Compositions of the present invention include, for example, mixtures of strong and weak organic bases used as dispersants to stabilize the titania sols. The dispersant mixtures have been found to result in relatively high titania solids content, low surface tension, low viscosity suspensions that are low in flammability. Sols produced according to the present invention can be used, for example, in catalytic applications such as catalyst supports for diesel emission control, or in pollutant photocatalyst applications in which it is desirable to have the titania in sol form.

Rare earth nanoparticles

This document provides methods and materials related to rare earth particles such as rare earth nanorods (e.g., inorganic lanthanide hydroxide nanorods). For example, rare earth (e.g., lanthanide) particles such as europium hydroxide nanorods, methods and materials for making rare earth particles (e.g., europium hydroxide nanorods), and methods and materials for using rare earth particles (e.g., europium hydroxide nanorods) as an imaging agent and/or to promote angiogenesis are provided.

One-dimensional metal nanostructures

Tin powder is heated in a flowing stream of an inert gas, such as argon, containing a small concentration of carbon-containing gas, at a temperature to produce metal vapor. The tin deposits as liquid on a substrate, and reacts with the carbon-containing gas to form carbon nanotubes in the liquid tin. Upon cooling and solidification, a composite of tin nanowires bearing coatings of carbon nanotubes is formed.

Nanostructures, their use and process for their production

A lubricating and shock absorbing materials are described, which are based on nanoparticles having the formula A 1-x -B x -chalcogenide. Processes for their manufacture are also described.

Negative active material, negative electrode including the same, lithium secondary battery including negative electrode, and method of preparing negative active material

A negative active material comprising lithium titanate oxide having an area ratio of a diffraction peak of a (111) plane that appears at 2θ-18.3°±0.4 to a diffraction peak of a (311) plane that appears at 2θ=35.5°±0.4, in an XRD spectrum, in the range of about 2.2:1 to about 5.5:1, a negative electrode comprising the negative active material, a lithium secondary battery comprising the negative electrode, and a method of preparing the negative active material.

Multiple inorganic compound structure and use thereof, and method of producing multiple inorganic compound structure

In a multiple inorganic compound structure according to the present invention, elements included in a main crystalline phase and elements included in a sub inorganic compound are present in at least a first region and a second region, the first region and the second region each have an area of nano square meter order, the first region is adjacent to the second region, and the first region and the second region each include an element of an identical kind, which element of the identical kind present in the first region has a concentration different from that of the element of the identical kind present in the second region.

Preparation of Stable, Bright Luminescent Nanoparticles Having Compositionally Engineered Properties

A method is provided for preparing luminescent semiconductor nanoparticles composed of a first component X, a second component A, and a third component B, wherein X, A, and B are different, by combining B with X and A in an amount such that the molar ratio B:(A+B) is in the range of approximately 0.001 to 0.20 and the molar ratio X:(A+B) is in the range of approximately 0.5:1.0 to 2:1. The characteristics of these nanoparticles can be substantially similar to those of nanoparticles containing only X and B while maintaining many useful properties characteristic of nanoparticles containing only X and A; and can additionally exhibit emergent properties such as a peak emission energy less than that characteristic of a particle composed of XA or XB alone. This method is particularly applicable to the preparation of stable, bright nanoparticles that emit in the red to infrared regions of the electromagnetic spectrum.

Particulate mixture, active material aggregate, cathode active material, cathode, secondary battery and methods for producing the same

A particulate mixture etc., which can be used as a precursor of lithium transition metal silicate-type compound of small particle size and low crystallinity, is provided. Further, a cathode active material that can undergo charge-and-discharge reaction in room temperature, and comprises lithium transition metal silicate-type compound, is provided. It is a mixture of silicon oxide particulates, transition metal oxide particulates, and lithium transition metal silicate particulates, and its powder X-ray diffraction measurement shows diffraction peaks near 2θ=33.1° and near 2θ=35.7°, and said silicon oxide particulates and said transition metal oxide particulates are amorphous, and said lithium transition metal silicate particulates are in a microcrystalline or amorphous state. Furthermore, a cathode active material obtained by grinding the active material aggregate obtained by heat-treating this particulate mixture is provided.

Water swellable polymer materials

The invention provides a method of preparing an aqueous dispersion of polymer encapsulated particulate material, the method comprising: providing a dispersion of the particulate material in a continuous aqueous phase, the dispersion comprising RAFT agent as a stabiliser for the particulate material; and polymerising ethylenically unsaturated monomer under the control of the RAFT agent to form polymer at the surface of the dispersed particulate material, thereby providing the aqueous dispersion of polymer encapsulated particulate material; wherein polymerisation of the ethylenically unsaturated monomer comprises: (a) polymerising a monomer composition that includes ionisable ethylenically unsaturated monomer so as to form a base responsive water swellable RAFT polymer layer that encapsulates the particulate material; and (b) polymerising a monomer composition that includes non-ionisable ethylenically unsaturated monomer so as to form an extensible, water and base permeable RAFT polymer layer that encapsulates the base responsive water swellable RAFT polymer layer.

Nanostructured metal oxides and mixed metal oxides, methods of making these nanoparticles, and methods of their use

Embodiments of the present disclosure provide for nanoparticles, methods of making nanoparticles, methods of using the nanoparticles, and the like. Nanoparticles of the present disclosure can have a variety of morphologies, which may lead to their use in a variety of technologies and processes. Nanoparticles of the present may be used in sensors, optics, mechanics, circuits, and the like. In addition, nanoparticles of the present disclosure may be used in catalytic reactions, for CO oxidation, as super-capacitors, in hydrogen storage, and the like.

Synthesis of high-performance iron oxide particle tracers for magnetic particle imaging (mpi)

The present invention relates to a method of forming iron oxide nanoparticles comprising the steps of (a) suspending iron oxide/hydroxide and oleic acid or a derivative thereof in a primary organic solvent; (b) increasing the temperature of the suspension by a defined rate up to a maximum of 340° C. to 500° C.; (c) aging the suspension at the maximum temperature of step (b) for about 0.5 to 6 h; (d) cooling the suspension; (e) adding a secondary organic solvent; (f) precipitating nanoparticles by adding a non-solvent and removing excess solvent; (g) dispersing said nanoparticles in said secondary organic solvent; (h) mixing the dispersion of step (g) with a solution of a polymer; and (i) optionally removing said secondary organic solvent. The present invention further relates to an iron oxide nanoparticle obtainable by the method, the additional modification, encapsulation and decoration of such nanoparticles, as well as the use of the nanoparticles as tracers for Magnetic Particle Imaging (MPI), Magnetic Particle Spectroscopy (MPS).

Doped Nanoparticles and Methods of Making and Using Same

Doped nanoparticles, methods of making such nanoparticles, and uses of such nanoparticles. The nanoparticles exhibit a metal-insulator phase transition at a temperature of −200° C. to 350° C. The nanoparticles have a broad range of sizes and various morphologies. The nanoparticles can be used in coatings and in device structures.

Method for MN3O4 nanoparticles by solid-state decomposition of exfoliated MNO2 nanosheet

A method of preparing one-dimensional trimanganese tetroxide (Mn 3 O 4 ) nanoparticles from an exfoliated two-dimensional manganese dioxide (MnO 2 ) nanosheet using a solid-state decomposition method, and Mn 3 O 4 nanoparticles prepared according to the method are provided. The Mn 3 O 4 nanoparticles can be prepared at a very low temperature without using an organic solvent or a chemical additive, compared to conventional synthesis methods.

Indium tin oxide powder, production method therefor, transparent conductive composition, and indium tin hydroxide

One aspect of an indium tin oxide powder has a specific surface area of 55 m 2 /g or more, wherein a color tone is from bright yellow to a color of persimmons or a half-width in the peak of (222) plane is 0.6° or less on an X-ray diffraction chart. Another aspect of the indium tin oxide powder has a modified surface, wherein a specific surface area is 40 m 2 /g or more, a half-width in the peak of (222) plane is 0.6° or less on an X-ray diffraction chart, and a color tone is navy blue (L is 30 or less in a Lab colorimetric system). A method for producing the indium tin oxide powder includes: coprecipitating an indium tin hydroxide by using a tin (Sn 2+ ) compound under conditions in which pH is 4.0 to 9.3, and a temperature of a liquid is 5° C. or higher; and drying and calcining the indium tin hydroxide.

Nanoporous photocatalyst having high specific surface area and high crystallinity and method for preparing the same

Disclosed is a nanoporous photocatalyst having a high specific surface area and high crystallinity and a method for preparing the same, capable of preparing nanoporous photocatalysts, which satisfy both of the high specific surface area of 350 m 2 /g to 650 m 2 /g and high crystallinity through a simple synthetic scheme, in mass production at a low price. The nanoporous catalyst having a high specific area and high crystallinity includes a plurality of nanopores having an average diameter of about 1 nm to about 3 nm. A micro-framework of the nanoporous photocatalyst has a single crystalline phase of anatase or a bicrystalline phase of anatase and brookite, and a specific surface area of the nanoporous photocatalyst is in a range of about 350 m 2 /g to 650 m 2 /g.

Mesoporous titania bead and method for preparing the same

The present invention relates to a mesoporous titania bead and the preparation method thereof, wherein said mesoporous titania bead has a diameter of 200-1000 nm, specific surface area of 50-100 m 2 /g, porosity of 40-60%, pore radius of 5-20 nm, pore volume of 0.20-0.30 cm 3 /g, and the titania comprised in the bead is anatase titania.

Organic templated nanometal oxyhydroxide

Disclosed are granular composites comprising a biopolymer and one or more nanometal-oxyhydroxide/hydroxide/oxide particles, along with methods for the preparation and use thereof.

Precursor, process for production of precursor, process for production of active material, and lithium ion secondary battery

Active material is obtained by sintering a precursor, has a layered structure and is represented by the following formula (1). The temperature at which the precursor becomes a layered structure compound in its sintering in atmospheric air is 450° C. or less. Alternatively, the endothermic peak temperature of the precursor when its temperature is increased from 300° C. to 800° C. in its differential thermal analysis in the atmospheric air is 550° C. or less. Li y Ni a Co b Mn c M d O x F z   (1) In formula (1), the element M is at least one of Al, Si, Zr, Ti, Fe, Mg, Nb, Ba, and V and 1.9≦(a+b+c+d+y)≦2.1, 1.0≦y≦1.3, 0<a≦0.3, 0≦b≦0.25, 0.3≦c≦0.7, 0≦d≦0.1, 1.9≦(x+z)≦2.0, and 0≦z≦0.15 are satisfied.

Chemical treatment of carbon nanotube fibres

The polymerisation of material contained within and/or added to high temperature reactor produced carbon nanotube fibre wherein the contained material is crosslinked.

Novel carbon nanotube and production method therefor

The present invention provides CNT, in particular CNT having inherent properties thereof, which has a thin wall and does not form a bundle, and an efficient production method of the CNT. The method is for producing CNT, the whole length or a part thereof is compressed to form a band, said method comprises preparing a powdery and/or particulate material of an organic compound pre-baked to an extent of containing remaining hydrogen and allowed to carry a catalyst, which may be a transition metal, other metal or other element, thereon; charging the powdery and/or particulate material of the organic compound in a closed vessel made of a heat resistant material; and subjecting the powdery and/or particulate material of the organic compound together with the vessel to hot isostatic pressing treatment using a compressed gas atmosphere, wherein a maximum ultimate temperature at the hot isostatic pressing treatment is 750 to 1200° C.

Production method for metal microparticle

Provided is a method for producing fine metal particles, wherein metal oxide powders can be used as a source of fine metal particles, and a method for producing fine metal particles can be provided avoiding the contamination of the molten salt electrolyte bath and the produced fine metal particles. A method for producing fine metal particles ( 112 ) is provided which comprises generating cathodic discharge outside and over the surface of an electrolyte bath ( 100 ) comprising metal oxide powders ( 110 ) suspended therein, whereby the metal oxide powders ( 110 ) are electrochemically reduced into the fine metal particles ( 112 ).

Methods of Synthesizing Thermoelectric Materials

Methods for synthesis of thermoelectric materials are disclosed. In some embodiments, a method of fabricating a thermoelectric material includes generating a plurality of nanoparticles from a starting material comprising one or more chalcogens and one or more transition metals; and consolidating the nanoparticles under elevated pressure and temperature, wherein the nanoparticles are heated and cooled at a controlled rate.

Alumina composite, method for manufacturing alumina composite, and polymer composition containing alumina composite

For the purpose of producing an alumina composite in which the integrity between alumina and an inorganic material is further improved, a dispersion liquid preparation step, a solidification step and a burning step are performed, wherein the dispersion liquid preparation step comprises preparing a dispersion liquid in which an inorganic material such as a carbon material is homogeneously dispersed in an alumina raw material solution having an organic additive dissolved therein, the solidification step comprises drying the dispersion liquid to produce a solid raw material, and burning step comprises burning the solid raw material in a non-acidic atmosphere while contacting hydrogen chloride with the solid raw material. In this manner, an alumina composite can be produced, in which at least a portion of an inorganic material such as a carbon material is embedded in the inside of each of α-alumina single crystal particles the constitute alumina particles.

Highly efficient method for producing ceramic microparticles

Provided is a more suitable method for producing ceramic microparticles. The present invention uses at least two types of fluids to be processed; at least one of the fluids to be processed is a fluid containing a ceramic starting material liquid that mixes and/or dissolves a ceramic starting material in a basic solvent; of the fluids aside from the ceramic starting material liquid, at least one of the fluids to be processed is a fluid containing a solvent for precipitating ceramic microparticles; and ceramic microparticles are precipitated by mixing the fluid containing the ceramic starting material liquid and the fluid containing the solvent for precipitating ceramic microparticles within a thin film fluid formed between at least two surfaces ( 1,2 ) for processing that are provided facing each other, are able to approach and separate each other, and of which one is able to rotate with respect to the other. Ceramic microparticles having as increased crystallinity are obtained by mixing the fluid containing the precipitated ceramic microparticles precipitate and a fluid containing an acidic substance.

Chlorine-doped tin-oxide particles and manufacturing method therefor

A chlorine-doped tin oxide particle exhibits peaks at at least 108±5 cm −1 , 122±5 cm −1 , and 133±5 cm −1 in Raman spectroscopy. The chlorine-doped tin oxide particle preferably has an additional Raman spectral peak at 337±10 cm −1 . The chlorine-doped tin oxide particle preferably has a specific surface area of 10 to 300 m2/g. The chlorine-doped tin oxide particle preferably has an average primary particle size of 3 to 200 nm. The chlorine-doped tin oxide particle is preferably substantially free of oxygen deficiency.

Multi-encapsulated formulations made with oxidized cellulose

A microsphere and method for forming the same are disclosed. The microsphere includes modified cellulose and at least one of a visualization agent, a magnetic material, or a radioactive material.

Pigment paint for an exterior material having good weather resistance and method for manufacturing same

The present invention relates to a pigment paint for an exterior material and to a method for manufacturing the same. The pigment paint comprises: a flake matrix, a first metal oxide layer coated on the upper portion of the transparent matrix, an oxide layer containing MgO—SiO 2 coated on the upper portion of the first metal oxide layer, and a second metal oxide layer coated on the upper portion of the oxide layer. In order to ensure humidity resistance and weather resistance required for a lustrous pigment paint for exterior materials, a cerium layer and an aluminum oxide layer are further coated. Properties such as high luminance, high chromaticity, and high gloss, which could not be achieved using conventional techniques, can be achieved and a pigment paint having a multi-colored pearl luster can be provided.

Fluorine-doped tin-oxide particles and manufacturing method therefor

Fluorine-doped tin oxide particles having a structure characterized by peaks at at least 123±5 cm −1 , 139±5 cm −1 , and 170±5 cm −1 in Raman spectroscopy. The particles preferably have additional Raman spectral peaks at 78±5 cm −1 , 97±5 cm −1 , 109±5 cm −1 , 186±5 cm −1 , and 207±5 cm −1 . The particles preferably have a specific surface area of 10 to 300 m 2 /g.

Coated up-conversion nanoparticles

The invention provides novel biocompatible upconversion nanoparticle (UCNP) that comprises a core of cubic nanocrystals (e.g., comprising α-Na Lna, Lnb Lnc F4) and an epitaxial shell (e.g., formed from CaF2; wherein Lnb is Yb), and related methods of preparation and uses thereof.

Metal Oxide Nanoparticle-Based T1-T2 Dual-Mode Magnetic Resonance Imaging Contrast Agent

The present invention relates to a magnetic resonance imaging (MRI) contrast agent, particularly a metal oxide nanoparticle-based T1-T2 dual-mode MRI contrast agent that can be used not only as a T1 MRI contrast agent but also as a T2 MRI contrast agent, and a method for producing the same. The metal oxide nanoparticle-based T1-T2 dual-mode MRI contrast agent can provide more accurate and detailed information associated with disease than single MRI contrast agent by the beneficial contrast effects in both T1 imaging with high tissue resolution and T2 imaging with high feasibility on detection of a lesion. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. (canceled)17. (canceled)18. (canceled)19. (canceled)20. (canceled)21. (canceled)22. (canceled)23. (canceled)24. (canceled)25. A method for producing a T1-T2 dual-mode MRI contrast agent derived from nanoparticles that have a core of manganese oxide and a porous shell of manganese ion-doped iron oxide on the core , comprising the following steps:A) synthesizing manganese oxide nanoparticles under inert gas environment;B) forming an epitaxial layer of iron oxide on the surface of manganese oxide nanoparticles under inert gas environment;C) maintaining the formation of the layer of porous manganese ion-doped iron oxide under dry air environment to form multilayer nanoparticles having a porous shell adjacent to core structure; andD) coating multilayer nanoparticles with a biocompatible polymer.26. The method for producing a T1-T2 dual-mode MRI contrast agent according to claim 25 , wherein the manganese oxide nanoparticles are synthesized with at least one shape selected from the group consisting of octahedral and cross shapes.27. The method for producing a T1-T2 dual-mode MRI contrast agent according to claim 25 , wherein the biocompatible polymer is at least one ...

Method for the production of new nanomaterials

A method for producing new nanomaterials, 80 to 100 mol % of which are composed of TiO2 and 0 to 20 mol % are composed of another metal or semi-metal oxide that has a specific surface of 100 to 300 m2.g−1and 1 to 3 hydroxyl groups per nm2.

SILICA PARTICLES, MANUFACTURING METHOD FOR THE SAME, AND SILICA SOL

The invention provides silica particles, formed from an alkoxysilane serving as a raw material, characterized in that the silica particles satisfy the following requirements (a) to (c): (a) the silica particles have an alkali metal element content of 5 ppm or less, with respect to the silica solid content; (b) the silica particles exhibit a moisture absorption of 0.25 mg/mor less at 50% relative humidity, and a refractive index, as determined through the liquid immersion method, of 1.450 to 1.460; and (c) the silica particles have a mean primary particle size, derived from a specific surface area as determined through the nitrogen adsorption method, of 10 to 100 nm. 1. Silica particles , formed from an alkoxysilane serving as a raw material , wherein the silica particles satisfy the following requirements (a) to (c):(a) the silica particles have an alkali metal element content of 5 ppm or less, with respect to the silica solid content;{'sup': '2', '(b) the silica particles exhibit a moisture absorption of 0.25 mg/mor less at 50% relative humidity, and a refractive index, as determined through the liquid immersion method, of 1.450 to 1.460; and'}(c) the silica particles have a mean primary particle size, derived from a specific surface area as determined through the nitrogen adsorption method, of 10 to 100 nm.2. Silica particles according to claim 1 , wherein the silica particles have an aspect ratio claim 1 , as determined from a transmission electron microscopic photoimage claim 1 , of 1.0 to 2.0.3. A method for producing silica particles claim 1 , wherein the method comprising the following steps (A) and (B):(A) a step of hydrolyzing an alkoxysilane in the co-presence of at least one base selected from the group consisting of ammonia, a primary amine, a secondary amine, and a cyclic tertiary amine, to thereby form an aqueous dispersion of silica particles having a mean primary particle size, derived from a specific surface area as determined through the nitrogen ...

POLYMER COATED MULTIWALL CARBON NANOTUBES

Polypropylene-coated functionalized multiwall carbon nanotubes (PP/f-MWNT) comprising functionalized multiwall carbon nanotubes (f-MWNT) in an amount of from about 0.5 wt. % to about 80 wt. %, based on the total weight of the PP/f-MWNT; and polypropylene (PP) in an amount of from about 20 wt. % to about 99.5 wt. %, based on the total weight of the PP/f-MWNT. A method of making PP/f-MWNT comprising (a) contacting pristine multiwall carbon nanotubes (p-MWNT) with nitric acid to produce f-MWNT; (b) contacting at least a portion of the f-MWNT with a first solvent to form a f-MWNT dispersion; (c) contacting PP with a second solvent to form a PP solution; (d) contacting at least a portion of the f-MWNT dispersion with at least a portion of the PP solution to form a PP and f-MWNT suspension; and (e) drying at least a portion of the PP and f-MWNT suspension to form the PP/f-MWNT. 1. A method of making polypropylene-coated functionalized multiwall carbon nanotubes (PP/f-MWNT) , the method comprising:(a) contacting pristine multiwall carbon nanotubes (p-MWNT) with nitric acid to produce functionalized multiwall carbon nanotubes (f-MWNT);(b) contacting at least a portion of the f-MWNT with a first solvent to form a f-MWNT dispersion;(c) contacting polypropylene (PP) with a second solvent to form a PP solution;(d) contacting at least a portion of the f-MWNT dispersion with at least a portion of the PP solution to form a PP and f-MWNT suspension; and(e) drying at least a portion of the PP and f-MWNT suspension to form the PP/f-MWNT.2. The method of claim 1 , wherein the step (a) of contacting p-MWNT with nitric acid comprises (i) contacting at least a portion of the p-MWNT with water and nitric acid to form a p-MWNT acidic suspension; and (ii) dispersing at least a portion of the p-MWNT acidic suspension to form a p-MWNT acidic dispersion.3. The method of further comprising (iii) refluxing at least a portion of the p-MWNT acidic dispersion at a temperature of from about 100 C to ...

SYSTEM AND METHOD FOR PREPARING GRAPHENE OXIDE AND REDUCED GRAPHENE OXIDE

There is provided an industrially scalable system and method for preparing graphene oxide and thereafter reduced graphene oxide, with high yields (generally better than 98 percent), in which the yield and quality are maximized. In certain embodiments of the present method and process, the initial particle size of the graphite charge and the temperature profile are of greater importance to a successful outcome than the reactants themselves. It should be noted that unlike the previous Hummers methods and derivatives, secondary oxidizers and exfoliation agents such as nitric acid, sodium nitrate and similar intercalation agents are not necessary to achieve the desired result. 1. A method comprising:chilling a reaction vessel to a predetermined chill temperature;intermixing a quantity of two or more acid reactants to form an intermixed acid mixture;chilling the intermixed acid mixture to the predetermined chill temperature;{'sub': '4', 'intermixing a quantity of KMnOand a quantity of graphite;'}{'sub': '4', 'chilling the intermixed KMnOand graphite to the predetermined chill temperature;'}placing the chilled intermixed acid mixture into the chilled reaction vessel and initiating a low speed agitation of the acid mixture;{'sub': '4', 'adding the chilled intermixed KMnOand graphite to the chilled reaction vessel to form a graphite suspension;'}continuing agitation of the reaction vessel for a predetermined period of cool agitation while maintaining the reaction vessel within a predetermined cool temperature profile;adding a first volume of warm distilled water during a first period of warm agitation while the graphite suspension is agitated;adding a second volume of distilled water during a second period of warm agitation while the graphite suspension is agitated;while agitating, cooling the graphite suspension to a predetermined pre-peroxide temperature;adding a predetermined amount of hydrogen peroxide to the reaction vessel;allowing contents of the reaction vessel to ...

Borophenes, Boron Layer Allotropes and Methods of Preparation

A boron allotrope comprising an elemental boron layer comprising a boron atomic thickness dimension and a method for preparation thereof. 1. A boron allotrope comprising an elemental boron layer comprising a boron atomic thickness dimension.2. The allotrope of comprising a rectangular boron lattice.3. A borophene comprising an elemental boron layer comprising a boron atomic thickness dimension.4. The borophene of comprising a rectangular boron lattice.5. The borophene of absent a boron compound and a boron alloy claim 3 , said borophene metallic.6. A boron allotrope comprising an elemental boron monolayer comprising a boron atomic thickness dimension claim 3 , said allotrope absent a boron compound and a boron alloy.7. The allotrope of comprising a rectangular boron lattice.8. A metallic boron allotrope comprising an elemental boron layer comprising a rectangular boron lattice and a boron atomic thickness dimension.9. An article comprising a substrate; and a boron allotrope thereon claim 6 , said allotrope comprising an elemental boron layer of boron atoms comprising a boron atomic thickness dimension.10. The article of wherein said allotrope comprises a rectangular boron lattice.11. The article of wherein said substrate comprises Ag.12. The article of wherein said substrate comprises single crystal Ag(111).13. The article of wherein said allotrope comprises at least one of a homogeneous boron phase and a striped boron phase.14. The article of wherein said allotrope is metallic.15. An article comprising a silver substrate; and a metallic boron allotrope thereon claim 13 , said allotrope comprising an elemental boron monolayer of boron atoms comprising a boron atomic thickness dimension claim 13 , said allotrope absent a boron compound and a boron alloy.16. The article of wherein said substrate and said allotrope are absent oxygen and carbon contamination.17. The article of wherein said substrate comprises single crystal Ag(111).18. The article of wherein said ...

SINTERING-ASSISTED DEPOSITION OF UNIFORM TITANIA NANOCRYSTALLINE COATINGS OVER Al FLAKES IN AQUEOUS SOLUTION

A process of forming a multi-layered pigment comprising the steps of: providing a metal core material; treating the metal core material with an acid, depositing a passivation layer onto the metal core material; densifying the metal core material having the passivation layer reducing a pore size of the passivation layer; and depositing a high refractive index material onto the sintered material wherein the high refractive index layer is uniform and crack free.

Tellurium compound nanoparticles, composite nanoparticles, and production methods therefor

Tellurium compound nanoparticles, including: an element M 1 where M 1 is at least one element selected from Cu, Ag, and Au; an element M 2 where M 2 is at least one element selected from B, Al, Ga, and In; Te; and optionally an element M 3 where M 3 is at least one element selected from Zn, Cd, and Hg; wherein a crystal structure of the tellurium compound nanoparticles is a hexagonal system, the tellurium compound nanoparticles are of a rod shape and have an average short-axis length of 5.5 nm or less, and when irradiated with light at a wavelength in a range of 350 nm to 1,000 nm, the tellurium compound nanoparticles emit photoluminescence having a wavelength longer than the wavelength of the irradiation light.

EXTREME SYNTHESIS OF CRYSTALLINE AEROGEL MATERIALS FROM AMORPHOUS AEROGEL PRECURSORS

A method includes positioning a porous structure in a pressure cell; injecting an inert pressure medium within the pressure cell; and pressurizing the pressure cell to a pressure that thermodynamically favors a crystalline phase of the porous structure over an amorphous phase of the porous structure to transition the amorphous phase of the porous structure into the crystalline phase of the porous structure. 1. A method , comprising:positioning a porous structure in a pressure cell;injecting an inert pressure medium within the pressure cell; andpressurizing the pressure cell to a pressure that thermodynamically favors a crystalline phase of the porous structure over an amorphous phase of the porous structure to transition the amorphous phase of the porous structure into the crystalline phase of the porous structure.2. The method as recited in claim 1 , further comprising heating at least the amorphous phase of the porous structure to accelerate transition to the crystalline phase and to overcome a corresponding phase change barrier.3. The method as recited in claim 2 , wherein a laser is selectively applied according to a user-defined pattern to heat one or more selected regions of the amorphous phase of the porous structure.4. The method as recited in claim 2 , wherein the amorphous phase of the porous structure is heated to a temperature of greater than about 500° C.5. The method as recited in claim 1 , further comprising returning the pressure and temperature in the pressure cell to ambient conditions.6. The method as recited in claim 1 , wherein the amorphous phase of the porous structure comprises one of: silica aerogel claim 1 , alumina aerogel claim 1 , and titania aerogel.7. The method as recited in claim 1 , wherein the amorphous phase of the porous structure is an aerogel of carbonized resorcinol-formaldehyde that has a specific density of about 30 to 50 mg/cm.8. The method as recited in claim 1 , wherein the amorphous phase of the porous structure ...

ITO PARTICLES, DISPERSION, PRODUCTION METHOD OF ITO PARTICLES, PRODUCTION METHOD OF DISPERSION, AND PRODUCTION METHOD OF ITO FILM

Provided are ITO particles having a non-rectangular parallelepiped shape and an aligned crystal orientation inside particles. 1. ITO particles , having a non-rectangular parallelepiped shape and an aligned crystal orientation inside particles , whereina molar ratio of a content amount of Sn to a content amount of In (Sn/In) falls within a range from 3.5 to 24.2. Dispersion comprising the ITO particles according to dispersed in a solvent.3. The dispersion according to claim 2 , wherein the solvent comprises water.4. The dispersion according to claim 2 , wherein the dispersion is substantially prevented from comprising a surfactant.5. The dispersion according to claim 2 , wherein a ratio of a volume of the ITO particles to a volume of the solvent is 40% or less.6. A production method of ITO particles claim 2 , comprising:obtaining ITO particles by causing a reaction at a temperature from 190° C. to 200° C. for 12 hours to 120 hours in a solution containing In salt from 0.09 M to 0.9 M, Sn salt from 0.01 M to 0.2 M, a basic compound, and a solvent containing at least one kind of water, methanol, ethanol, and isopropanol; andwashing the ITO particles.7. The production method of ITO particles according to claim 6 , wherein claim 6 , in the solution claim 6 , concentration of the In salt is from 4.5 times to 9 times of concentration of the Sn salt in terms of mole.8. A production method of dispersion claim 6 , comprising:obtaining ITO particles by causing a reaction at a temperature from 190° C. to 200° C. for 12 hours to 120 hours in a solution containing In salt from 0.09 M to 0.9 M, Sn salt from 0.01 M to 0.2 M, a basic compound, and a first solvent containing at least one kind of water, methanol, ethanol, and isopropanol;washing the ITO particles; anddispersing the washed ITO particles, in a second solvent.9. The production method of dispersion according to claim 8 , wherein claim 8 , in the solution claim 8 , concentration of the In salt is from 4.5 times to 9 times ...

ITO PARTICLES, DISPERSION, AND PRODUCTION METHOD OF ITO FILM

Provided is ITO particles satisfying a relationship expressed in Expression (1) given below. 16×S/P≤0.330 . . . (1) (In the expression, S indicates a particle area in a TEM photographed image, and P indicates a perimeter of the particle.) 1. ITO particles satisfying a relationship expressed in Expression (1) given below:{'br': None, 'i': 'S/P', '16×2≤0.330\u2003\u2003(1)'}wherein S indicates a particle area in a TEM photographed image, and P indicates a perimeter of the particle.2. The ITO particles according to claim 1 , wherein a molar ratio of a content amount of Sn to a content amount of In (Sn/In) falls within a range from 3.5 to 24.3. The ITO particles according to claim 1 , wherein an aligned crystal orientation is provided inside particles.4. Dispersion comprising the ITO particles according to claim 1 , dispersed in a solvent.5. The dispersion according to claim 4 , wherein the solvent comprises water.6. The dispersion according to claim 4 , wherein the dispersion is substantially prevented from comprising a surfactant.7. The dispersion according to claim 4 , wherein a ratio of a volume of the ITO particles to a volume of the solvent is 40% or less.8. A production method of an ITO film claim 4 , comprising:{'claim-ref': {'@idref': 'CLM-00004', 'claim 4'}, 'forming the dispersion according to into mist;'}bringing the misted dispersion, into contact with a base plate; anddrying the dispersion on the base plate after the contact. This application is a Continuation Application, under 35 U.S.C. § 111(a), of international Patent Application No. PCT/JP2018/043512, filed on Nov. 27, 2018, which claims foreign priority benefit of Japanese Patent Application No. 2018-004226 filed on Jan. 15, 2018 in the Japanese Patent Intellectual Property Office, the contents of both of which are incorporated herein by reference.The present invention relates to ITO particles, dispersion in which the ITO particles are dispersed, and a production method of an ITO film.With regard to ...

MAGNETIC NANOPARTICLE, HAVING A CURIE TEMPERATURE WHICH IS WITHIN BIOCOMPATIBLE TEMPERATURE RANGE, AND METHOD FOR PREPARING SAME

The present invention relates to a magnetic nanoparticle having a Curie temperature which is within a biocompatible temperature range, a method for preparing same, and a nanocomposite and a target substance detection composition comprising the magnetic nanoparticle. As the magnetic nanoparticle of the present invention has a Curie temperature within the temperature range of 0 degrees centigrade to 41 degrees centigrade, the ferromagnetic and paramagnetic properties of the magnetic nanoparticle may be controlled within a biocompatible temperature range at a temperature at which a biological control agent is not destroyed, and the temperature of the magnetic nanoparticle is adjusted to control the magnetic properties thereof such that the properties of the magnetic nanoparticle may be used only when ferromagnetic properties are required, such as in the case of signal amplification in detecting, separating, and delivering biological control agents. Accordingly, the magnetic nanoparticle of the present invention can minimize adverse effects of ferromagnetic properties thereof, and can be used in the effective detection and separation of biological control agents. 1. A method for preparing a magnetic nanoparticle having a Curie temperature within the range of 0° C. to 41° C. , and comprising a rare earth metal , a divalent metal , and a transition metal oxide;comprising (a) a step of reducing a precursor of the rare earth metal, a precursor of the divalent metal, and a precursor of the transition metal oxide, thereby forming the magnetic nanoparticle; and (b) a step of heat treating the magnetic nanoparticle.2. The method according to claim 1 , further comprising claim 1 , prior to step (a) claim 1 , a step of dissolving the precursor of the rare earth metal claim 1 , the precursor of the divalent metal claim 1 , the precursor of the transition metal oxide claim 1 , and a reducing agent in a solvent claim 1 , heating to a temperature in the range of 80° C. to 130° C. ...

Rare earth material-binding peptide and use thereof

A binding agent is capable of binding to rare earth materials such as rare earths and inorganic compounds thereof. A rare earth material-binding agent includes a peptide capable of binding to a rare earth material including a rare earth and a rare earth inorganic compound.

BORON NITRIDE NANOTUBE SYNTHESIS VIA DIRECT INDUCTION

High quality, catalyst-free boron nitride nanotubes (BNNTs) that are long, flexible, have few wall molecules and few defects in the crystalline structure, can be efficiently produced by a process driven primarily by Direct Induction. Secondary Direct Induction coils, Direct Current heaters, lasers, and electric arcs can provide additional heating to tailor the processes and enhance the quality of the BNNTs while reducing impurities. Heating the initial boron feed stock to temperatures causing it to act as an electrical conductor can be achieved by including refractory metals in the initial boron feed stock, and providing additional heat via lasers or electric arcs. Direct Induction processes may be energy efficient and sustainable for indefinite period of time. Careful heat and gas flow profile management may be used to enhance production of high quality BNNT at significant production rates. 1. A process for synthesizing boron nitride nanotubes (BNNTs) , the process comprising:feeding gas containing nitrogen to a chamber in a first direction;pre-heating a boron feedstock in the chamber to form an electrically conductive boron material;supplying power to a Direct Induction coil surrounding the electrically conductive boron material;heating the electrically conductive boron material through induction heating from tine Direct Induction coil to form a boron melt;wherein boron and boron-nitrogen evaporate from the boron melt in the first direction, and BNNTs self-assemble from the evaporated boron and boron-nitrogen downstream from the boron melt in the first direction.2. The process of claim 1 , wherein pre-heating the boron feedstock to form an electrically conductive boron material comprises heating the boron feedstock to a temperature above 800° C. and below the melting temperature of boron nitride.3. The process of claim 1 , wherein forming the boron melt causes a portion of the nitrogen in the gas entering the chamber to dissolve in the boron melt and evaporate ...

PRECURSOR OF CATALYST FOR HYDROGENATION OF CARBON DIOXIDE AND MANUFACTURING METHOD THEREFOR, AND HYDROGENATION CATALYST OF CARBON DIOXIDE AND MANUFACTURING METHOD THEREFOR

The present invention relates to a precursor of a hydrogenation catalyst of carbon dioxide, a method for preparing thereof, a hydrogenation catalyst of carbon dioxide, and a method for preparing thereof. An embodiment of the present invention provides a precursor of a hydrogenation catalyst of carbon dioxide comprising CuFeO. 1. A precursor of the hydrogenation catalyst of carbon dioxide comprising CuFeOhaving a particle diameter is 800 nm or less.2. The precursor of the hydrogenation catalyst of carbon dioxide of claim 1 , whereinthe precursor comprises a trigonal form.3. A method for preparing a precursor of the hydrogenation catalyst of carbon dioxide comprising:preparing an iron raw material and a copper raw material;adding the iron and copper raw materials into a solvent to prepare a solution;adding a reduction agent into the solution; andhydrothermal-synthesizing the solution in which the reduction agent is added to prepare a catalyst precursor;{'sub': '2', 'wherein the iron raw material is FeCl.'}4. The method for preparing a precursor of the hydrogenation catalyst of carbon dioxide of claim 3 , whereinthe solution is hydrothermally synthesized in the temperature range of 150 to 200° C. by the step of hydrothermal-synthesizing the solution in which the reduction agent is added to prepare a catalyst precursor.5. The method for preparing a precursor of the hydrogenation catalyst of carbon dioxide of claim 4 , whereinthe solution is hydrothermally synthesized for 30 minutes to 5 hours by the step of hydrothermal-synthesizing the solution in which the reduction agent is added to prepare a catalyst precursor.6. The method for preparing a precursor of the hydrogenation catalyst of carbon dioxide of claim 3 , wherein{'sub': 3', '2, 'the copper raw material is Cu(NO), CuCl or a combination thereof, in the step of preparing an iron raw material and a copper raw material.'}7. The method for preparing a precursor of the hydrogenation catalyst of carbon dioxide of claim ...

ALN CRYSTAL PREPARATION METHOD, ALN CRYSTALS, AND ORGANIC COMPOUND INCLUDING ALN CRYSTALS

A method for producing AlN crystals includes using at least one element, excluding Si, that satisfies a condition under which the element forms a compound with neither Al nor N or a condition under which the element forms a compound with any of Al and N provided that the standard free energy of formation of the compound is larger than that of AlN; melting a composition containing at least Al and the element; and reacting the Al vapor with nitrogen gas at a predetermined reaction temperature to produce AlN crystals. 1. A method for producing AlN crystals , comprising:using at least one element, excluding Si, that satisfies a condition under which the element forms a compound with neither Al nor N or a condition under which the element forms a compound with any of Al and N provided that the standard free energy of formation of the compound is larger than that of AlN;melting a composition containing at least Al and the element; andreacting the Al vapor with nitrogen gas at a predetermined reaction temperature to produce AlN crystals.2. The method for producing AlN crystals according to claim 1 , wherein the element used is any of Li claim 1 , Mg claim 1 , V claim 1 , Cr claim 1 , Mn claim 1 , Fe claim 1 , Co claim 1 , Ni claim 1 , Cu claim 1 , Ga claim 1 , Ge claim 1 , Sr and Sn.3. The method for producing AlN crystals according to claim 1 , wherein the element used is an element that satisfies a condition under which the interaction energy with Al becomes negative and also satisfies a condition under which the absolute value of this interaction energy is larger than the interaction energy between Al and Ge.4. The method for producing AlN crystals according to claim 2 , wherein the element used is an element that satisfies a condition under which the interaction energy with Al becomes negative and also satisfies a condition under which the absolute value of this interaction energy is larger than the interaction energy between Al and Ge.5. The method for producing AlN ...

Morphologically and size uniform monodisperse particles and their shape-directed self-assembly

Monodisperse particles having: a single pure crystalline phase of a rare earth-containing lattice, a uniform three-dimensional size, and a uniform polyhedral morphology are disclosed. Due to their uniform size and shape, the monodisperse particles self assemble into superlattices. The particles may be luminescent particles such as down-converting phosphor particles and up-converting phosphors. The monodisperse particles of the invention have a rare earth-containing lattice which in one embodiment may be an yttrium-containing lattice or in another may be a lanthanide-containing lattice. The monodisperse particles may have different optical properties based on their composition, their size, and/or their morphology (or shape). Also disclosed is a combination of at least two types of monodisperse particles, where each type is a plurality of monodisperse particles having a single pure crystalline phase of a rare earth-containing lattice, a uniform three-dimensional size, and a uniform polyhedral morphology; and where the types of monodisperse particles differ from one another by composition, by size, or by morphology. In a preferred embodiment, the types of monodisperse particles have the same composition but different morphologies. Methods of making and methods of using the monodisperse particles are disclosed.

Method For Preparing Aluminosilicate Particles Having Exellent Dispersion, Reinforcing Material For Rubber Comprising The Aluminosilicate Particles, And Rubber Composition For Tires Comprising The Reinforcing Material

The present disclosure relates to a method for preparing aluminosilicate particles having excellent dispersion, a reinforcing material for rubber including the aluminosilicate particles, and a rubber composition for tires including the same. The reinforcing material for rubber including the aluminosilicate particles prepared by the method of the present disclosure can exhibit excellent dispersibility in the rubber composition and an enhanced reinforcing effect, so that it can be suitably used in eco-friendly tires requiring high efficiency and high fuel efficiency. 1. A method for preparing aluminosilicate particles , comprising the steps of:forming a raw material mixture comprising a basic or alkaline aqueous solution, a silicon source, and an aluminum source;curing the raw material mixture to obtain aluminosilicate particles;washing the aluminosilicate particles;purifying the washed aluminosilicate particles to remove unreacted sources in the aluminosilicate particles; anddrying the purified aluminosilicate particles.2. The method for preparing aluminosilicate particles of claim 1 ,wherein the silicon source is at least one compound selected from the group consisting of fumed silica, rice husk, colloidal silica, cellite, pearlite, rice husk ash, silica fume, organosilane, clay, minerals, meta kaolin, calcined clay, active clay, fly ash, slag, pozzolan, glass powder, and red mud; andthe aluminum source is at least one compound selected from the group consisting of alumina, aluminate, aluminum salt, organic aluminoxane, pearlite, clay, mineral, meta kaolin, calcined clay, active clay, fly ash, slag, pozzolan, glass powder, and red mud.3. The method for preparing aluminosilicate particles of claim 1 ,wherein the step of curing is carried out at a temperature of 20 to 90° C.4. The method for preparing aluminosilicate particles of claim 1 ,wherein the step of purifying is carried out by dispersing the washed aluminosilicate particles in distilled water to remove ...

METHOD FOR PRODUCING LANTHANUM HEXABORIDE-CONTAINING COMPOSITE PARTICLES AND METHOD FOR PRODUCING FORMED PRODUCT

To provide a method for producing lanthanum hexaboride-containing composite particles which are capable of forming a formed product having sufficiently high transparency and which are excellent in weather resistance, by a simple operation without calcination treatment at high temperature, and a method for producing a formed product using it. 1. A method for producing lanthanum hexaboride-containing composite particles , which comprises:reacting at least one silica precursor selected from the group consisting of a tetraalkoxysilane, its hydrolysate and its condensate, in the presence of lanthanum hexaboride particles, a base having a boiling point of at most 200° C., water and an organic solvent to obtain a first reaction mixture, andreacting the first reaction mixture with at least one silicon compound selected from the group consisting of an amino-modified silicone, an alkylsilane and an aminosilane, or with the silicon compound and the silica precursor, to obtain a second reaction mixture containing lanthanum hexaboride-containing composite particles.2. The production method according to claim 1 , wherein after the second reaction mixture is obtained claim 1 , the second reaction mixture is dried to recover the lanthanum hexaboride-containing composite particles.3. The production method according to claim 2 , wherein the second reaction mixture is a dispersion having the lanthanum hexaboride-containing composite particles dispersed in an organic solvent claim 2 , and the second reaction mixture is subjected to centrifugal separation claim 2 , the supernatant is removed and the sediment is recovered claim 2 , and the sediment is dried.4. The production method according to claim 1 , wherein the first reaction mixture contains the silica precursor which remains unreacted.5. The production method according to claim 1 , wherein the reaction of the silica precursor to obtain the first reaction mixture is carried out in the further presence of zirconium oxide particles.6 ...

COMPOSITE NANOPARTICLE COMPOSITIONS AND ASSEMBLIES

Composite nanoparticle compositions and associated nanoparticle assemblies are described herein which, in some embodiments, exhibit enhancements to one or more thermoelectric properties including increases in electrical conductivity and/or Seebeck coefficient and/or decreases in thermal conductivity. In one aspect, a composite nanoparticle composition comprises a semiconductor nanoparticle including a front face and a back face and sidewalls extending between the front and back faces. Metallic nanoparticles are bonded to at least one of the sidewalls establishing a metal-semiconductor junction. 1. A composite nanoparticle composition comprising:a semiconductor nanoparticle including a front face and a back face and sidewalls extending between the front and back faces; andmetallic nanoparticles bonded to at least one of the sidewalls establishing a metal-semiconductor junction.2. The composite nanoparticle of claim 1 , wherein the metallic nanoparticles are bonded to a plurality of the sidewalls establishing multiple metal-semiconductor junctions.3. The composite nanoparticle of claim 1 , wherein a Schottky barrier is established at the metal-semiconductor junction.4. The composite nanoparticle of claim 3 , wherein the Schottky barrier has a height of at least 100 meV.5. The composite nanoparticle of claim 1 , wherein the semiconductor nanoparticles is a chalcogenide.6. The composite nanoparticle of claim 5 , wherein the metallic nanoparticles are formed of one or more transition metals.7. The composite nanoparticle of claim 6 , wherein the one or more transition metals are selected from Groups IVA-VIIIA and Group IB of the Periodic Table.8. The composite nanoparticle of claim 6 , wherein the one or more transition metals are a noble metal.9. The composite nanoparticle of claim 1 , wherein the semiconductor nanoparticle is a platelet.10. The composite nanoparticle of further comprising an interfacial transition region between the semiconductor nanoparticle and ...

Tailored dispersion and formation of integrated particle systems via ph responsive groups

This invention provides methods and technology related to increased hiding power of a coating through mediating the interaction of the pigment with other system components including but not limited to other pigment particles, latex paint particles, latex binding particles, and organic or inorganic hollow particles. Organization and spacing are tailored via pH sensitive functionalities hosted on ligands or polymeric spacers that are located at/within the surface of one of the components.

Oxide layer and production method for oxide layer, as well as capacitor, semiconductor device, and microelectromechanical system provided with oxide layer

An oxide layer 30 according to the invention consists of bismuth (Bi) and niobium (Nb) (possibly including inevitable impurities). The oxide layer 30 also includes crystal phases of a pyrochlore crystal structure. The obtained oxide layer 30 includes oxide consisting of bismuth (Bi) and niobium (Nb) and has high permittivity that has never been achieved in the conventional technique.

BORON NITRIDE NANOTUBE SYNTHESIS VIA DIRECT INDUCTION

High quality, catalyst-free boron nitride nanotubes (BNNTs) that are long, flexible, have few wall molecules and few defects in the crystalline structure, can be efficiently produced by a process driven primarily by Direct Induction. Secondary Direct Induction coils, Direct Current heaters, lasers, and electric arcs can provide additional heating to tailor the processes and enhance the quality of the BNNTs while reducing impurities. Heating the initial boron feed stock to temperatures causing it to act as an electrical conductor can be achieved by including refractory metals in the initial boron feed stock, and providing additional heat via lasers or electric arcs. Direct Induction processes may be energy efficient and sustainable for indefinite period of time. Careful heat and gas flow profile management may be used to enhance production of high quality BNNT at significant production rates. 1. An apparatus for synthesizing BNNTs through direct induction , the apparatus comprising: a chamber providing a boron feedstock mounting surface;a nitrogen gas supply system configured to feed nitrogen to the chamber in a first direction;a boron feedstock support; andan induction coil surrounding the boron feedstock support and configured to inductively heat an electrically conductive feedstock on the boron feedstock support.2. The apparatus of claim 1 , further comprising:a growth zone region downstream of the boron feedstock support in the first direction, the growth zone region configured to allow BNNTs to self-assemble downstream of the boron feedstock support in the first direction.3. The apparatus of claim 1 , wherein the boron feedstock support comprises a crucible made of at least boron nitride.4. The apparatus of claim 1 , wherein the boron feedstock support comprises a water cooling channel.5. The apparatus of claim 4 , wherein the concentrator surrounds the crucible.6. The apparatus of claim 4 , wherein the concentrator comprises an outer cylindrical portion of a ...

LAYERED DOUBLE HYDROXIDE PRECURSOR, THEIR PREPARATION PROCESS AND CATALYSTS PREPARED THEREFROM

New layered double hydroxide materials useful as intermediates in the formation of catalysts are described, as well as methods of preparing the layered double hydroxides. Also described are catalysts suitable for catalysing the hydrogenation of COto methanol, as well as methods for preparing the catalysts. The LDH-derived catalysts of the invention are active in the hydrogenation of COto methanol, and show improved activity with respect to Cu/ZnO catalysts derived from copper-zinc hydroxycarbonate precursors. 2. The layered double hydroxide of claim 1 , wherein 0.05≤x≤0.35 or 0.08≤x≤0.35.35-. (canceled)6. The layered double hydroxide of claim 1 , wherein M′ represents at least one trivalent cation selected from Al claim 1 , Ga claim 1 , y claim 1 , In claim 1 , Fe claim 1 , Co claim 1 , Ni claim 1 , Mn claim 1 , Cr claim 1 , Ti claim 1 , V and La.78-. (canceled)9. The layered double hydroxide of claim 1 , wherein M′ is Ga.10. The layered double hydroxide of claim 9 , wherein M represents a mixture of divalent cations comprising Cu and Zn claim 9 , as well as one or more other divalent cations selected from Mg claim 9 , Fe claim 9 , Ca claim 9 , Sn claim 9 , Ni claim 9 , Co claim 9 , MN and Cd.11. The layered double hydroxide of claim 9 , wherein M represents a mixture of divalent cations consisting of Cu and Zn.12. The layered double hydroxide of claim 1 , wherein the mole ratio of Cu to Zn ranges from 1:0.2 to 1:2 or from 1:0.5 to 1:0.9.1315-. (canceled)16. The layered double hydroxide of claim 1 , wherein M is a mixture of divalent cations consisting of Cu and Zn and the molar ratio of Cu:Zn:M′ is 1:(0.30-1.30):(0.05-0.80).17. (canceled)18. The layered double hydroxide of claim 1 , wherein X represents at least one anion selected from a halide claim 1 , an inorganic oxyanion claim 1 , and an organic anion.19. (canceled)20. The layered double hydroxide of claim 11 , wherein X is carbonate.21. The layered double hydroxide of claim 1 , wherein the solvent is selected ...

BORON NITRIDE AND METHOD OF PRODUCING BORON NITRIDE

BN nanosheets are prepared by a method comprising heating to a temperature of at least 500° C., a mixture comprising: (1) an alkali borohydride, and (2) an ammonium salt. NaNmay be included to increase the yield. No catalyst is required, and the product produced contains less than 0.1 atomic percent metal impurities. 1. h-BN nanosheets.2. The h-BN nanosheets of claim 1 , wherein the h-BN nanosheets are few layer h-BN nanosheets.3. The h-BN nanosheets of claim 2 , wherein the h-BN nanosheets have 6 to 20 layers of BN.4. The h-BN nanosheets of claim 1 , wherein the h-BN nanosheets contain less than 0.1 atomic percent metal impurities.5. The h-BN nanosheets of claim 1 , wherein the h-BN nanosheets do not contain r-BN claim 1 , as determined by X-ray powder diffraction.6. The h-BN nanosheets of claim 1 , wherein the h-BN nanosheets have a full width at half maximum (FWHM) of the X-ray powder diffraction pattern for a dpeak of at most 0.50 degrees.7. The h-BN nanosheets of claim 1 , wherein the h-BN nanosheets have a full width at half maximum (FWHM) of the X-ray powder diffraction pattern for a dpeak of at most 0.30 degrees.8. The h-BN nanosheets of claim 1 , wherein the h-BN nanosheets have a full width at half maximum (FWHM) of the X-ray powder diffraction pattern for a dpeak of at most 0.50 degrees.9. The h-BN nanosheets of claim 1 , wherein the h-BN nanosheets have a full width at half maximum (FWHM) of the X-ray powder diffraction pattern for a dpeak of at most 0.25 degrees.10. The h-BN nanosheets of claim 1 , wherein the h-BN nanosheets have a particle size of 250 to 900 nm.11. A method of making BN nanosheets claim 1 , comprising heating to a temperature of at least 500° C. claim 1 , a mixture comprising: (1) an alkali metal borohydride claim 1 , and (2) an ammonium salt.12. The method of claim 11 , wherein the alkali metal borohydride comprises KBH.13. The method of claim 11 , wherein the ammonium salt comprises NHCl.14. The method of claim 11 , further ...

TRANSFER MEMBER FOR PRINTING SYSTEMS

There is disclosed a layered article that can be used in indirect printing, in analog or digital processes. The layered article, when configured as a transfer member, may serve to receive an ink in any form, allow the ink to be treated so as to form an ink image, and permit the application of the ink image on a substrate. The transfer member comprises a support layer and an imaging layer, which may be formed of a silicon matrix including dispersed carbon black particles. Methods for preparing the same are also disclosed. 1. A transfer member for receiving ink and transferring an ink image to a substrate , the transfer member comprising:a) a support layer; and i) a hydrophobic silicone matrix comprising hydrophilic carbon black particles dispersed therein; and', 'ii) a release surface distal to the support layer., 'b) an imaging layer, disposed on the support layer, the imaging layer comprising2. The transfer member according to claim 1 , wherein the release surface is integral to the imaging layer.3. The transfer member according to claim 1 , wherein the release surface is a layer formed on the imaging layer.4. The transfer member according to any preceding claim claim 1 , wherein the imaging layer is a layer formed from liquid silicone resins (LSR) claim 1 , room temperature vulcanization (RTV) silicones claim 1 , polydialkyl siloxanes (PDAS) or polydimethyl siloxanes (PDMS) silicones claim 1 , and functionalised versions thereof.5. The transfer member according to any preceding claim claim 1 , wherein the release surface is hydrophobic.6. The transfer member according to any preceding claim claim 1 , wherein the silicone matrix is an addition-cured silicone matrix.7. The transfer member according to any one of to claim 1 , wherein the silicone matrix is a condensation-cured silicone matrix.8. The transfer member according to any preceding claim claim 1 , the hydrophilic carbon black particles having one or more properties selected from the list consisting of:{'sub ...

SELF-HEALING METHOD FOR FRACTURED SiC AMORPHOUS NANOWIRES

The present invention provides a self-healing method for fractured SiC amorphous nanowires. A goat hair in a Chinese brush pen of goat hair moves and transfers single crystal nanowires under an optical microscope. On an in-situ nanomechanical test system of a TEM, local single crystal nanowires are irradiated with an electron beam for conducting amorphization transformation. Amorphous length of a single crystal after transformation is 60-100 nm. A fracture strength test is conducted on the amorphous nanowires in the single crystal after transformation in the TEM; and fracture strength of the amorphous nanowires is 9-11 GPa. After the amorphous nanowires are fractured, unloading causes a slight contact between the fractured end surfaces; and self-healing of the nanowires is conducted after waiting for 16-25 min in a vacuum chamber of the TEM. Atom diffusion is found at a healed fracture through in-situ TEM representation; and recrystallization is found in the amorphous nanowires. The present invention provides a method for realizing self-healing for fractured SiC amorphous nanowires without external intervention. 1(1) SiC single crystal nanowires have a diameter of 92-120 nm;(2) the tail end of a Chinese brush pen of goat hair is fixed to a mobile platform of an optical microscope, and the other end moves and transfers single crystal nanowires placed on the mobile platform under another optical microscope through a goat hair; the single crystal nanowires are placed on a microtest apparatus of an in-situ TEM mechanical test system;(3) both ends of the nanowires are fixed to the microtest apparatus using conductive silver epoxy;{'sup': '2', '(4) the microtest apparatus is installed on an in-situ TEM nanomechanical test system; local single crystal nanowires are irradiated with an electron beam in the TEM for conducting amorphization transformation; the irradiation density of the electron beam is 45-55 A/cm; irradiation time is 55-70 min; amorphous length of a single ...

Pyrolytic carbon black composite and method of making the same

A method of recovering carbon black includes the step of providing a carbonaceous source material containing carbon black. The carbonaceous source material is contacted with a sulfonation bath to produce a sulfonated material. The sulfonated material is pyrolyzed to produce a carbon black containing product comprising a glassy carbon matrix phase having carbon black dispersed therein. A method of making a battery electrode is also disclosed.

Lithium-excess transition-metal-deficient spinels for fast charging/discharging lithium-ion battery materials

Li-ion battery materials, such as Li-ion cathodes, are provided that have spinels characterized by a close-packed face-centered-cubic rocksalt-type structure and spinel-like ordered TM (the TM preferably occupying one of the two octahedral sites 16c and 16d) that favor fast Li transport kinetics. Such spinels have a larger deviation from a normal spinel and have a formula. Li 1+x TM 2-y O 4-z F z where 0.2≤x≤1, 0.2≤y≤0.6, and 0≤z≤0.8; and TM is Mn, Ni, Co, Al, Sc, Ti, Zr, Mg, Nb, or a mixture thereof. The spinels achieve a higher gravimetric energy density than traditional spinels while still retaining high capacity at an extremely fast charging/discharging rate.

METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY

A positive electrode active material has a small difference in a crystal structure between the charged state and the discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are less likely to be changed by charging and discharging as compared with those of a known positive electrode active material. In order to form the positive electrode active material having the pseudo-spinel crystal structure in the charged state, it is preferable that a halogen source such as a fluorine and a magnesium source be mixed with particles of a composite oxide containing lithium, a transition metal, and oxygen, which is synthesized in advance, and then the mixture be heated at an appropriate temperature for an appropriate time. 1. A lithium-ion secondary battery comprising:a positive electrode active material,wherein the positive electrode active material comprises a path through which lithium is inserted and extracted in a region from a surface to a depth of 10 nm, andwherein the positive electrode active material is configured to inhibit dissolution of transition metal from the positive electrode active material.2. A lithium-ion secondary battery comprising:a positive electrode active material comprising lithium, cobalt, and oxygen,wherein the positive electrode active material comprises a path through which lithium is inserted and extracted in a region from a surface to a depth of 10 nm, andwherein the positive electrode active material is configured to inhibit dissolution of the cobalt from the positive electrode active material.3. A lithium-ion secondary battery comprising:a positive electrode active material comprising lithium cobalt oxide,wherein the positive electrode active material comprises a path through which lithium is inserted and extracted in a ...

Totally-mesoporous zirconia nanoparticles, use and method for producing thereof

The present invention relates to novel totally-mesoporous zirconium oxide nanoparticles as well as a sol-gel synthesis process thereof which include an innovative nanoparticles purification step. Said nanoparticles are characterized by a totally-mesoporous structure i.e. a distribution of pores within the so-called the mesoporous range uniformly distributed throughout the entire nanoparticle volume. Furthermore, said nanoparticles are non-cytotoxic and present a high surface area, which make particularly suitable in both biomedical and industrial applications (e.g. drug delivery, heavy metals ion sequestration). The manufacturing method is simple and advantageously allows for high control over the shape and diameter of the nanoparticles as well as over the nanoparticles pores.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

A positive electrode active material for a lithium ion secondary battery contains a lithium metal composite oxide. The lithium metal composite oxide includes lithium (Li), nickel (Ni), cobalt (Co), and an element M (M) in a mass ratio of Li:Ni:Co:M=1+a:1−x−y:x:y (wherein −0.05≤a≤0.50, 0≤x≤0.35, 0≤y≤0.35, and the element M is at least one element selected from Mg, Ca, Al, Si, Fe, Cr, Mn, V, Mo, W, Nb, Ti, Zr, and Ta), wherein a thickness of a NiO layer is 200 nm or less when a particle of the lithium metal composite oxide during charging at 4.3 V (vs. Li/Li) is observed by STEM-EDS, and wherein an index [(d90−d10)/mean volume particle diameter] of spread of a particle size distribution is 1.25 or less. 1. A positive electrode active material for a lithium ion secondary battery containing a lithium metal composite oxide , the lithium metal composite oxide comprising:lithium (Li), nickel (Ni), cobalt (Co), and an element M in a mass ratio of Li:Ni:Co:M=1+a:1−x−y:x:y (wherein −0.05≤a≤0.50, 0≤x≤0.35, 0≤y≤0.35, and the element M is at least one element selected from Mg, Ca, Al, Si, Fe, Cr, Mn, V, Mo, W, Nb, Ti, Zr, and Ta),{'sup': '+', 'wherein a thickness of a NiO layer is 200 nm or less when a particle of the lithium metal composite oxide during charging at 4.3 V (vs. Li/Li) is observed by Scanning Transmission Electron Microscope-Energy dispersive X-ray Spectroscopy, and'}wherein an index [(d90−d10)/mean volume particle diameter] of spread of a particle size distribution is 1.25 or less.2. The positive electrode active material for a lithium ion secondary battery according to claim 1 , wherein the element M is either uniformly distributed inside secondary particles of the lithium metal composite oxide or uniformly coated on surfaces of the secondary particles claim 1 , or both.3. A method of manufacturing a positive electrode active material for a lithium ion secondary battery claim 1 , comprising:a drying step of heating a metal composite hydroxide at 105° C. or ...

MAGNETIC NANOPARTICLES AND METHODS OF MAKING MAGNETIC NANOPARTICLES

The present disclosure provides for compositions of magnetic nanoparticles and methods of making magnetic nano-particles with large magnetic diameters. 1. A composition , comprising:magnetic nanoparticles having an arithmetic mean or a lognormal median physical diameter and an arithmetic mean or lognormal median magnetic diameter, wherein the arithmetic mean or lognormal median physical diameter is less than about 1 nm greater than the arithmetic mean or lognormal median magnetic diameter, wherein the arithmetic mean or lognormal median magnetic diameter has a size distribution with a coefficient of variation of about 1 to 12%.2. The composition of claim 1 , wherein the magnetic nanoparticle includes iron.3. The composition of claim 1 , wherein the magnetic nanoparticle is iron oxide.4. The composition of claim 1 , wherein the magnetic nanoparticle is MFeO claim 1 , wherein M is Fe claim 1 , Co claim 1 , Mn claim 1 , Zn claim 1 , or Ni claim 1 , or their combinations.5. The composition of claim 1 , wherein the magnetic nanoparticle is SrFeOor BaFeO.6. The composition of claim 1 , wherein the arithmetic mean or lognormal median physical diameter is about 15 to 40 nm.7. The composition of claim 6 , wherein the arithmetic mean or lognormal median magnetic diameter is about the same as to the arithmetic mean or lognormal median physical diameter minus 1 nm.8. The composition of claims 1 , wherein the difference between the arithmetic mean or lognormal median physical diameter and the arithmetic mean or lognormal median magnetic diameter is less than 1 nm.9. The composition of claim 1 , wherein the difference between the arithmetic mean or lognormal median physical diameter and the arithmetic mean or lognormal median magnetic diameter is less than 0.5 nm.10. The composition of claim 1 , wherein the physical diameter is up to the single domain size limit of a material that makes up the magnetic nanoparticle.11. The composition of claim 10 , wherein the magnetic ...

Multiplexed spectral lifetime detection of phosphors

New methods and assays for multiplexed detection of analytes using phosphors that are uniform in morphology, size, and composition based on their unique optical lifetime signatures are described herein. The described assays and methods can be used for imaging or detection of multiple unique chemical or biological markers simultaneously in a single assay readout.

IRON OXIDE NANOPARTICLES DOPED WITH ALKALI METALS OR ALKALI EARTH METALS CAPABLE OF GIGANTIC AC MAGNETIC SELF-HEATING IN BIOCOMPATIBLE AC MAGNETIC FIELD AND METHOD OF PREPARING THE SAME

Disclosed herein are iron oxide nanoparticles prepared through high-temperature thermal decomposition of an Fe precursor and an M or M (M=Li, Na, K, Mg, and Ca) precursor in an oxygen atmosphere. The iron oxide nanoparticles are nanoparticles, in which an alkali metal or alkali earth metal is doped into an Fe vacancy site of γ-FeO, and generate explosive heat even in a biocompatible low AC magnetic field. Through both in vitro and in vivo tests, it was proven that cancer cells could be killed by performing low-frequency hyperthermia using the iron oxide nanoparticles set forth above. 1. Iron oxide nanoparticles in which γ-FeOis doped with an alkali metal or alkali earth metal.2. The iron oxide nanoparticles according to claim 1 , wherein an Fe vacancy site of γ-FeOis doped with the alkali metal or alkali earth metal.3. The iron oxide nanoparticles according to claim 1 , wherein the alkali metal comprises lithium (Li) claim 1 , sodium (Na) claim 1 , and potassium (K).4. The iron oxide nanoparticles according to claim 1 , wherein the alkali earth metal comprises magnesium (Mg) and calcium (Ca).5. The iron oxide nanoparticles according to claim 1 , wherein the doping metal comprises at least one member selected from the group consisting of Li claim 1 , Na claim 1 , K claim 1 , Mg claim 1 , and Ca.6. The iron oxide nanoparticles according to claim 1 , wherein the iron oxide nanoparticles generate gigantic heat in a biocompatible AC magnetic field of f·Hof 3.0×10Amsor less.7. The iron oxide nanoparticles according to claim 1 , wherein the iron oxide nanoparticles generate gigantic heat in a biocompatible AC magnetic field of f·Hof 1.8×10Ams(f<120 kHz claim 1 , H<15.12 kA/m) or less.8. The iron oxide nanoparticles according to claim 1 , wherein the iron oxide nanoparticles have an intrinsic loss power (ILP) of 13.5 nHm/Kg to 14.5 nHm/Kg in an AC magnetic field of f·Hof 1.8×10Ams(f<120 kHz claim 1 , H<15.12 kA/m) or less.9. The iron oxide nanoparticles according to claim 1 ...

MULTIPLEXED SPECTRAL LIFETIME DETECTION OF PHOSPHORS

New methods and assays for multiplexed detection of analytes using phosphors that are uniform in morphology, size, and composition based on their unique optical lifetime signatures are described herein. The described assays and methods can be used for imaging or detection of multiple unique chemical or biological markers simultaneously in a single assay readout. 1. A method for detecting an analyte in a sample , comprising the steps of:(a) contacting the sample with a phosphor particle, wherein the phosphor particle is conjugated to a capture molecule specific for an analyte of interest, to bind and label the analyte of interest; and(b) detecting the labelled analyte by the unique optical lifetime signature of the phosphor particle;wherein the phosphor particle conjugated to the capture molecule has a unique optical lifetime signature and uniform morphology, size, and/or composition.2. The method of claim 1 , wherein the detecting step is performed in a single readout.3. The method of claim 1 , further comprising claim 1 , before step (a) claim 1 , the step of capturing the analyte on an analyte-specific capture molecule attached to a substrate.4. The method of claim 1 , wherein the phosphor particle is an up-converting phosphor particle comprising at least one rare earth element and a phosphor host material.5. The method of claim 1 , wherein the phosphor particle is monodispersed.6. The method of claim 1 , wherein the method is cell sorting method and the analyte of interest is a cell.7. The method of claim 1 , wherein the method is used in flow cytometry.8. The method of claim 1 , wherein the phosphor particle is about 30 nm to about 400 nm in size.9. The method of claim 1 , wherein the sample comprises a bodily fluid.10. The method of claim 9 , wherein the sample comprises blood serum claim 9 , saliva claim 9 , tissue fluid claim 9 , or urine.11. An assay kit for detecting an analyte in a sample claim 9 , comprising a phosphor particle conjugated to a capture ...

Combined Processing Method for Lithium Containing Solutions

A combined processing method for the purification of lithium containing solutions, the method comprising the method steps of passing a lithium containing solution to a first purification step in which the lithium containing solution is contacted with a titanate adsorbent whereby lithium ions are adsorbed thereon whilst rejecting substantially all other cations, the recovery of lithium from the adsorbent providing a part-purified lithium containing solution, the part-purified lithium containing solution produced in the first purification step is then passed in whole or part to a second purification step in which a graphene based filter medium is utilised to provide a further purified lithium containing solution. 141-. (canceled)42. A combined processing method for the purification of lithium containing solutions , the method comprising the method steps of passing a lithium containing solution to a first purification step in which the lithium containing solution is contacted with a titanate adsorbent whereby lithium ions are adsorbed thereon whilst rejecting substantially all other cations , the recovery of lithium from the adsorbent providing a part-purified lithium containing solution , the part-purified lithium containing solution produced in the first purification step is then passed in whole or part to a second purification step in which a graphene based filter medium is utilised to provide a further purified lithium containing solution.43. The method of claim 42 , wherein the lithium containing solution is a lithium containing brine.44. The method of claim 42 , wherein the adsorbent is provided in the form of either a hydrated titanium dioxide or a sodium titanate.45. The method of claim 42 , wherein the further purified lithium containing solution is a substantially pure lithium chloride solution.46. The method of claim 42 , wherein the brine contains impurities from the group of sodium claim 42 , potassium claim 42 , magnesium claim 42 , calcium and borate ...

Method of producing sulfide compound semiconductor by use of solvothermal method and rod-like crystal of sulfide compound semiconductor

The present invention provides a method of producing a sulfide compound semiconductor containing Cu, Zn, Sn and S, in which the method includes a solvothermal step of conducting a solvothermal reaction of Cu, Zn, Sn and S in an organic solvent, and a rod-like crystal of sulfide compound semiconductor containing Cu, Zn, Sn and S.

SYNTHESIS OF STRUCTURED CARBON MATERIAL FROM ORGANIC MATERIALS

A method of forming a carbonized composition includes providing an organic composition, forming a protective layer over the organic composition, increasing temperature to carbonize the organic composition and for a period of time to form the carbonized composition, and removing the protective layer from the carbonized composition. 1. A method of forming a carbonized composition , comprising:providing an organic composition;forming a protective layer over the organic composition;increasing temperature to carbonize the organic composition and for a period of time to form the carbonized composition; andremoving the protective layer from the carbonized composition.2. The method of wherein the organic composition is formed to have a predetermined shape or conformation.3. The method of wherein the predetermined shape or conformation of the organic composition is substantially maintained in the carbonized composition.4. The method of wherein the organic composition is deposited upon a substrate before forming the protective layer over the organic composition.5. The method of wherein the carbonized composition is a porous carbon material.6. The method of wherein the temperature is increased to a temperature within the range of approximately 780° C. to approximately 2072° C.7. The method of wherein the protective layer is deposited via a thin film deposition technique.8. The method of wherein the protective layer is deposited via atomic layer deposition claim 7 , vacuum deposition claim 7 , sputtering claim 7 , chemical vapor deposition or laser assisted deposition.9. The method of wherein the protective layer is deposited via atomic layer deposition.10. The method of wherein the thickness of the protective layer is in the range of 2 nm to 100 micrometers.11. The method of wherein the protective layer comprises AlO.12. The method of wherein the protective layer is removed via etching with HPO.13. The method of wherein the protective layer is impermeable to decomposition ...

Method for production of zinc oxide particles

It is an object of the present invention to provide a new method for production of zinc oxide particles which can control the particle diameter and particle shape of obtained zinc oxide particles by selecting suitable conditions, and can prepare zinc oxide applicable to various applications. A method for production of zinc oxide particles, comprising a step of aging a zinc oxide raw material in an aqueous zinc salt solution.

POSITIVE ELECTRODE ACTIVE MATERIAL CONTAINING SOLID SOLUTION ACTIVE MATERIAL, POSITIVE ELECTRODE CONTAINING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE

A method for producing a positive electrode active material includes coating a surface of a solid solution active material represented by formula (1): Li[NiMnCo[Li]]O, wherein X represents at least one selected from Ti, Zr and Nb, 0≤e≤0.5, a+b++c+d+e=1.5, 0.1≤d≤0.4, and 1.1≤[a+b+c+e]≤1.4, and z represents the number of oxygen atoms satisfying an atomic valence, with alumina; and preparing the solid solution active material. The preparing comprises mixing an organic acid salt of a transition metal having a melting point of 100° C. to 350° C., melting the mixture obtained in the first step at 100° C. to 350° C., subjecting the molten substance to pyrolysis at a temperature equal to higher than the melting point and calcining the pyrolysate obtained. 1. A method for producing a positive electrode active material for a non-aqueous electrolyte secondary battery , comprising: {'br': None, 'sub': 1.5', '0.40', '0.60', '0.40', '0.1', 'z, 'Li[NiMnCo[Li]]O\u2003\u2003(1)'}, 'coating a surface of a solid solution active material represented by the composition formula (1)wherein X represents at least one selected from Ti, Zr and Nb, 0≤e≤0.5, a+b++c+d+e=1.5, 0.1≤d≤0.4, and 1.1≤[a+b+c+e]≤1.4, and z represents the number of oxygen atoms satisfying an atomic valence, with alumina; and a first step of mixing an organic acid salt of a transition metal having a melting point of 100° C. to 350° C.;', 'a second step of melting the mixture obtained in the first step at 100° C. to 350° C.;', 'a third step of subjecting the molten substance obtained in the second step to pyrolysis at a temperature equal to higher than the melting point; and', 'a fourth step of calcining the pyrolysate obtained in the third step., 'preparing the solid solution active material, wherein the preparing comprises2. The method according to claim 1 , wherein a citrate of at least one of Ti claim 1 , Zr and Nb is further mixed in the first step.3. The method according to claim 1 , wherein an organic acid salt of an ...

METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY

A positive electrode active material has a small difference in a crystal structure between the charged state and the discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are less likely to be changed by charging and discharging as compared with those of a known positive electrode active material. In order to form the positive electrode active material having the pseudo-spinel crystal structure in the charged state, it is preferable that a halogen source such as a fluorine and a magnesium source be mixed with particles of a composite oxide containing lithium, a transition metal, and oxygen, which is synthesized in advance, and then the mixture be heated at an appropriate temperature for an appropriate time. 1. A lithium ion secondary battery comprising:a positive electrode active material comprising lithium, cobalt, and oxygen,wherein dQ/dV vs V curve in a range of greater than or equal to 4.0V and less than or equal to 4.8V which is obtained by differentiating capacitance (Q) with voltage (V) does not have a maximum peak in a range of greater than or equal to 4.5V and less than or equal to 4.7 V.2. A lithium ion secondary battery comprising:a positive electrode active material comprising lithium, cobalt, and oxygen,wherein dQ/dV vs V curve which is obtained by differentiating capacitance (Q) with voltage (V) has a peak in a range of greater than or equal to 4.5V and less than or equal to 4.7V, andwherein the peak is not a maximum peak in a range of greater than or equal to 4.0V and less than or equal to 4.8V.3. A lithium ion secondary battery comprising:a positive electrode active material comprising lithium, cobalt, and oxygen,wherein dQ/dV vs V curve which is obtained by differentiating capacitance (Q) with voltage (V) has a peak in a range ...

MONATOMIC METAL-DOPED FEW-LAYER MOLYBDENUM DISULFIDE ELECTROCATALYTIC MATERIAL, PREPARING METHOD THEREOF, AND METHOD FOR ELECTROCATALYTIC NITROGEN FIXATION

The present invention provides a monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material, a preparing method thereof, and a method for electrocatalytic nitrogen fixation. The material has a few-layer ultra-thin and irregular flake-like microstructure with a length and a width of nanometer scale. A doping metal in the monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material is dispersed in a form of single atoms. When the catalyst is used in electrochemical reduction of N, a Faradic efficiency in selective reduction of Ninto NH is 18% or above, and stability of the catalyst is better. 1. A monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material , which has a few-layer ultra-thin and irregular flake-like microstructure with a length and a width of nanometer scale , and wherein the doping metal in the monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material is dispersed in a form of single atoms.2. The monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material according to claim 1 , wherein the monatomic metal in the monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material is for non-substitute doping claim 1 , and the few-layer ultra-thin and irregular flake has a length and width of 50-200 nm claim 1 , a thickness of 0.5-3 nm and 1-4 layers on average.3. The monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material according to claim 1 , wherein the monatomic metal comprises iron claim 1 , ruthenium claim 1 , platinum claim 1 , palladium claim 1 , and lanthanum claim 1 , and a doped amount is 0.2%-3%.4. A method for preparing the monatomic metal-doped few-layer molybdenum disulfide electrocatalytic material according to claim 1 , comprising the following steps:1) performing an ultrasonic process to flower-ball-shaped molybdenum disulfide to carry out an exfoliation, to obtain a few-layer molybdenum disulfide solution ...

GRAPHITE COMPOSITION BASED ON PET PYROLYSIS PRODUCT

High surface area 3D mesoporous carbon nanocomposites can be derived from Zn dust and PET bottle mixed waste with a high surface area. Simultaneous transformation of Zn metal into ZnO nanoparticles and PET bottle waste to porous carbon materials can be achieved by thermal treatment at preferably 600 to 800° C., and reaction times of from 15 to 60 minutes, after optionally de-aerating the reaction mixtures with Ngas. The waste-based carbon materials can have surface areas of 650 to 725 m/g, e.g., 684.5 m/g and pore size distributions of 12 to 18 nm. The carbon materials may have 3D porous dense layers with a gradient pore structure, which may have enhanced photocatalytic performance for degrading, e.g., organic dyes, such as methylene blue and malachite green. Sustainable methods make ZnO-mesoporous carbon materials from waste for applications including photocatalysis, upcycling mixed waste materials. 110-. (canceled)11. A composition , comprising:graphite; andZnO particles having an average diameter in a range of from 10 to 100 nm, in and/or on the graphite in the form of a mesoporous ZnO-graphite composite,{'sup': '2', '#text': 'wherein the composite has a BET surface area in a range of from 395 to 750 m/g, and'}wherein the composite has an average pore size in a range of from 15 to 20 nm.12. The composition of claim 11 , wherein the BET surface area is in a range of from 600 to 725 m/g.13. The composition of claim 11 , wherein the graphite and the ZnO particles are at least 90 wt. % of total composition weight.14. The composition of claim 11 , wherein the graphite is present in an amount of from 35 to 95 wt. % claim 11 , relative to total composition weight claim 11 , and/orwherein the ZnO is present in the composition an amount of from 5 to 65 wt. %, relative to the total composition weight.15. The composition of claim 11 , having a graphite-to-ZnO weight ratio in a range of from 1:1 to 5:1.161. A mesoporous ZnO-graphite composite having a surface area of greater ...

NANOMETRIC TIN-CONTAINING METAL OXIDE PARTICLE AND DISPERSION, AND PREPARATION METHOD AND APPLICATION THEREOF

There is disclosed a tin-containing metal oxide nanoparticle, which has an index of dispersion degree less than 7 and a narrow particle size distribution which is defined as steepness ratio less than 3. There is disclosed dispersion, paint, shielding film and their glass products which comprise the said nanoparticles. Besides, there are also disclosed processes of making the tin-containing metal oxide nanoparticle and their dispersion. The tin-containing metal oxide nanoparticles and their dispersion disclosed herein may be applied on the window glass of houses, buildings, vehicles, ships, etc. There is provided an excellent function of infrared blocking with highly transparent, and to achieve sunlight controlling and thermal radiation controlling. 139-. (canceled)40. A method for preparing a dispersion of tin-containing metal oxide nano-particles , wherein the tin-containing metal oxide comprises tin element and an aid metallic element other than tin selected from antimony , indium , titanium , copper , zinc , zirconium , cerium , yttrium , lanthanum , niobium or a mixture thereof; and the tin-containing metal oxide nano-particles have an initial average particle diameter of 2-50 nm , a particle diameter distribution as defined with an index of dispersion degree of less than 7 and a steepness ratio of less than 3 , the method comprises steps of:(1) reacting a solution containing tin ions and a solution containing ions of the aid metallic element other tin with a solution of precipitating agent at a temperature of less than 100° C. under a non-acidic condition in an aqueous medium comprising at least one of alcohols, amides, ketones, epoxides and mixtures thereof to form tin-containing metal oxide precursor particles and a first by-product in ionic form; wherein the precipitating agent is selected from alkali metal hydroxides, alkaline earth metal hydroxides, alkali metal carbonates, alkaline earth metal carbonates, alkali metal bicarbonates, ammonia, organic bases ...

PRECISE MODIFYING METHOD FOR FINE PARTICLE DISPERSION LIQUID

A method for modifying a fine particle dispersion liquid has excellent dispersibility and dispersion stability. In this method for modifying a fine particle dispersion liquid having improved fine particle dispersibility, impurities included in an agglomeration of fine particles contained in the fine particle dispersion liquid are released into the dispersion liquid by applying physical energy to the agglomeration and performing dispersion processing for dispersion into particles that are smaller than the agglomeration of fine particles. The impurities are removed from the dispersion liquid by means of a removal unit provided with a filtration membrane before reagglomeration is caused by the impurities. 1. A method for reforming a fine particle dispersion solution , whereinin the method for reforming the fine particle dispersion solution with which dispersion property of the fine particles is enhanced,a physical energy is applied to an aggregate of the fine particles included in the fine particle dispersion solution thereby carrying out a dispersion process to disperse the aggregate of the fine particles to smaller particles than the said aggregate of the fine particles, thereby discharging impurities having been included in the aggregate into the dispersion solution, andbefore re-aggregation by the impurities takes place entirely, a removal process to remove the impurities from the dispersion solution is carried out by a removing unit.2. The method for reforming the fine particle dispersion solution according to claim 1 , whereinthe impurities comprises in-solution impurities present in the dispersion solution independent of the aggregate and in-particle impurities present in the aggregate, andthe method comprises processes of:discharging the in-particle impurities from the aggregate to the dispersion solution by the dispersion process thereby changing them to the in-solution impurities;transporting the dispersion solution after the discharge process to the removing ...

PRECISE MODIFYING METHOD FOR FINE PARTICLE DISPERSION LIQUID

A method for modifying a fine particle dispersion liquid with which dispersibility and dispersion stability can be improved includes performing filtration to remove impurities in a dispersion liquid using a dispersion liquid modifying device provided with a removal unit that uses a filtration membrane. The quantity of impurities is reduced from a first region until said quantity reaches a second pH-dependent region. In the second pH-dependent region, the dispersibility of the fine particles in the dispersion liquid is in a range in which the dispersibility depends more on a change in dispersion liquid pH than on a change in the quantity of impurities in the dispersion liquid. With the quantity of impurities reduced to the second pH-dependent region, the dispersibility of the fine particles is controlled by adjusting the pH of the fine particle dispersion liquid. 1. A method for reforming a fine particle dispersion solution , whereinthe method comprises a process to remove impurities in the dispersion solution by carrying out filtration with a filtration membrane using a dispersion solution reformation equipment equipped with a removing unit using the filtration membrane,amount of the impurities is decreased from a first region till a second pH-dependent region by carrying out the filtration,the second pH-dependent region is a range in which dispersion property of fine particles in the dispersion solution is dependent more on a change of pH in the dispersion solution than a change of amount of the impurities in the dispersion solution,the first region is a range in which amount of the impurities in the dispersion solution is more than that in the second pH-dependent region, andunder a state in which amount of the impurities is reduced till the second pH-dependent region, pH of the fine particle dispersion solution is controlled so as to control a dispersion property of the fine particles.2. The method for reforming the fine particle dispersion solution according to ...

METHODS OF MAKING SILICA NANOPARTICLES, PROPELLANTS, AND SAFETY DEVICES

The present disclosure provides for silicon nanoparticles, safety devices, solid propellants, and the like. 1. A method of making silica particles , comprising:mixing nitric acid with porous silicon particles in an environment, wherein the porous silicon particles are irregularly shaped; andforming spherical non-aggregated silica particles.2. The method of claim 1 , wherein the spherical non-aggregated silica particles are mesoporous.3. The method of claim 1 , wherein the porous silicon particles are amorphous.4. The method of claim 1 , further comprising:removing a layer of porous silicon from a substrate using a first ultrasound energy to form a first plurality of colloidal porous silicon particles in suspension;exposing the first plurality of porous silicon particles to a second ultrasound energy to form a second plurality of porous silicon particles in suspension, wherein the second plurality of colloidal porous silicon particles are in the amorphous phase; anddrying the porous silicon particles.5. The method of claim 1 , further comprising: controlling the oxygen content in the environment when mixing the nitric acid with the porous silicon particles.6. The method of claim 5 , wherein the oxygen content in the environment is controlled to be up to about 0.5-2.0 ppm of oxygen.7. The method of claim 4 , wherein the thickness of the layer of porous silicon on the substrate can be about 1 to 10 μm.8. The method of claim 1 , wherein the spherical non-aggregated silica particles are spherical non-aggregated silica nanoparticles having a diameter of about 20 to 100 nm.9. A structure claim 1 , comprising a spherical non-aggregated silica nanoparticles produced according to the method of .10. The structure of claim 9 , wherein the spherical non-aggregated silica nanoparticles are loaded with one or more agents.11. A structure claim 9 , comprising: a plurality of porous silicon particles and nitric acid claim 9 , wherein the plurality of porous silicon particles and the ...

INORGANIC NANOCAGES, AND METHODS OF MAKING AND USING SAME

Provided are inorganic nanocages. The inorganic nanocages may be non-metal nanocages, transition metal oxide nanocages, or transition metal nanocages. Non-metal nanocages may include metal oxides. The inorganic nanocages can be made using micelles formed using pore expander molecules. The inorganic nanocages may be used as catalysts, drug delivery agents, diagnostic agents, therapeutic agents, and theranostic agents. 1. A method of making inorganic nanocages , comprising one or more precursor(s);', 'one or more surfactant(s);', 'one or more pore expander(s); and, 'forming a reaction mixture comprising'}{'sup': 1', '1, 'holding the reaction mixture at a time (t) and temperature (T), whereby inorganic nanocages having an average size of a longest dimension less than 30 nm are formed; and'}optionally, adding a terminating agent to the reaction mixture.2. The method of claim 1 , wherein{'sub': 10', '18, 'the one or more surfactant(s) is/are chosen from Cto Calkyltrimethylammonium halides, sodium dodecyl sulfate (SDS), N-myristoyl-L-glutamic acid (C14GluA), and combinations thereof, and/or'}the one or more pore expander(s) is/are chosen from trialkylated benzene, polymer monomers, hydrophobic solvents, and combinations thereof.3. The method of claim 1 , wherein the one or more surfactant(s) is/are present in the reaction mixture at a concentration ranging from 1 mg/mL to 50 mg/mL and the one or more pore expander(s) is/are present at a concentration ranging from 3 mg/mL to 100 mg/mL.4. The method of claim 1 , wherein the molar ratio of the one or more surfactant(s) to the one or more pore expander(s) is 1:100 to 10:1.5. The method of claim 1 , wherein the one or more precursor(s) is/are one or more non-metal oxide precursor chosen from silica precursors claim 1 , alkyltrialkoxysilanes precursors claim 1 , functionalized non-metal oxide precursors claim 1 , and combinations thereof.6. The method of claim 5 , wherein at least one of non-metal oxide precursors comprises one ...

METHOD OF FORMING A ß-SiAlON BY SPARK PLASMA SINTERING

A method of making a β-SiAlON is described in involves mixing nanoparticles of AlN, AlO, and SiOwith particles of SiNand spark plasma sintering the mixture. The sintering may be at a temperature of 1450-1600° C. or about 1500° C. The particles of SiNmay be nanoparticles comprising amorphous SiN, or 25-55 μm diameter microparticles comprising β-SiN. 1. A method of making a β-SiAlON , comprising:{'sub': 3', '3', '2', '3', '4', '3', '4, 'mixing nanoparticles of AlN, AlO, and SiOwith particles of SiNhaving an average diameter in a range of 15 nm-60 μm to form a powder mixture, wherein tire SiNis present in the powder mixture at a weight percentage of 40-85 wt %, relative to a total weight of the powder mixture; and'}spark plasma sintering the powder mixture at a temperature of 1450-1600° C. and a pressure of 40-60 MPa to form the β-SiAlON.2. The method of claim 1 , wherein the powder mixture is ultrasonicated in an organic solvent and dried before the spark plasma sintering.3. The method of claim 1 , wherein the spark plasma sintering is at a temperature in a range of 1480-1520° C.4. The method of claim 1 , wherein the spark plasma sintering uses a heating rate in a range of 80-120° C./min.5. The method of claim 1 , wherein the powder mixture is spark plasma sintered for a time in a range of 15-45 min.6. The method of claim 1 , wherein the β-SiAlON is substantially free of Ca.7. The method of claim 6 , wherein the β-SiAlON consists essentially of Si claim 6 , Al claim 6 , O claim 6 , and N.8. The method of claim 1 , wherein the SiOnanoparticles have an average diameter in a range of 10-30 nm.9. The method of claim 1 , wherein the β-SiAlON has a thermal expansion coefficient in a range of 2.20-2.45 ppm/K.103. The method of claim 1 , wherein the particles of SiNar nanoparticles of amorphous SiNhaving an average diameter in a range of 15-100 nm.11. The method of claim 10 , wherein the particles of SiNare nanoparticles of amorphous SiNhaving an average diameter in a range ...

Method for preparing lithium iron phosphate nanopowder coated with carbon

The present invention relates to a method for preparing a lithium iron phosphate nanopowder coated with carbon, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, (b) putting the mixture solution into a reactor and reacting to prepare amorphous lithium iron phosphate nanoseed particle, and (c) heat treating the lithium iron phosphate nanoseed particle thus to prepare the lithium iron phosphate nanopowder coated with carbon on a portion or a whole of a surface of a particle, and a lithium iron phosphate nanopowder coated with carbon prepared by the above method. The lithium iron phosphate nanopowder coated with carbon having controlled particle size and particle size distribution may be prepared in a short time by performing two simple steps.

Synthesis of graphitic shells on silicon nanoparticles

Discussed herein are methods for making an anode material comprising silicon nanoparticles and a graphite carbon coating thereon. The method can include providing silicon nanoparticles, applying an amorphous carbon coating thereon to create an amorphous carbon shell on the silicon nanoparticles at a first temperature, and converting the amorphous carbon shell to a graphite carbon shell at a second temperature higher than the first temperature. The method can optionally include producing silicon nanoparticles by providing an argon-silane mixture, exposing the argon-silane mixture to a non-thermal plasma to convert the silane mixture to amorphous clusters, and passing the amorphous clusters through a furnace at a first temperature so as to agglomerate them to silicon nanoparticles.

Titanium compound-containing core-shell powder and method of making the same, and titanium compound-containing sintered body

A titanium compound-containing core-shell powder includes a plurality of core-shell particles, each of which includes a core body and a shell layer encapsulating said core body. The core body is electrically conductive. The shell layer includes a crystal that is selected from titanate oxides having a perovskite structure and titanate oxides having a spinel structure. The core body and the shell layer are chemically bonded to each other.

PROCESS AND APPARATUS FOR SYNTHESIZING MULTIWALL CARBON NANOTUBES FROM HIGH MOLECULAR POLYMERIC WASTES

This invention relates to a process and an apparatus for synthesizing multiwall carbon nanotubes from high molecular polymeric wastes. The process comprises using induction heating in combination with catalytic chemical vapour deposition (CVD) with an array of catalytic materials to synthesize high value carbon nanotubes with better yield and purity from high molecular polymeric wastes. 1. A process for synthesizing multiwall carbon nanotubes comprising:depolymerizing high molecular polymeric wastes to obtain a carbon-containing feedstock;pre-treating an array of catalytic materials consisting of 304 type stainless steel with an acid to reduce chromium content in the array of catalytic materials to less than 12%;introducing a reducing gas into a catalytic reactor containing the array of catalytic materials;heating the array of catalytic materials in the catalytic reactor by induction heating in the presence of the reducing gas to activate active sites on surfaces of the array of catalytic materials;feeding the carbon-containing feedstock into the catalytic reactor containing the array of catalytic materials, wherein the array of catalytic materials is arranged in a horizontally stacked manner having a space between any two adjacent catalytic materials sufficient to allow multiwall carbon nanotubes to grow and deposit on surfaces of the catalytic materials;heating the array of catalytic materials in the presence of the carbon-containing feedstock by induction heating to form multiwall carbon nanotubes on the surfaces of the catalytic materials; andremoving the multiwall carbon nanotubes from the surfaces of the array of catalytic materials.2. The process according to claim 1 , wherein the step of depolymerizing the long chain polymeric carbon sources comprises heating the long chain polymeric carbon sources at a temperature between 400° C. and 480° C. in an inert atmosphere.3. The process according to claim 2 , wherein the long chain polymeric carbon sources are ...

NI-RICH TERNARY CATHODE MATERIAL, PREPARATION METHOD AND APPLICATION THEREOF

A Ni-rich ternary cathode material, a preparation method and application thereof are disclosed. The method for preparing a Ni-rich ternary cathode material includes: using a Ni—Co—Mn ternary cathode material as a precursor and a metal boride as a modifier, adding a lithium-derived material, heating for a sintering, to prepare the Ni-rich ternary cathode material. 1. A method for preparing a Ni-rich ternary cathode material , comprising:using a Ni—Co—Mn ternary cathode material as a precursor and a metal boride as a modifier, adding a lithium-derived material, heating for a sintering, to prepare the Ni-rich ternary cathode material.2. The method of claim 1 , wherein the metal boride comprises a transition metal boride.3. The method of claim 1 , wherein the heating for a sintering comprises a low-temperature sintering and a high-temperature sintering claim 1 , in which a heating rate during the low-temperature sintering is not more than 2° C./min claim 1 , and a heating rate during the high-temperature sintering is not more than 0.75° C./min.4. The method of claim 3 , wherein the low-temperature sintering is conducted to 550-700° C. claim 3 , and the high-temperature sintering is conducted to 750-850° C.5. The method of claim 4 , wherein the low-temperature sintering is conducted for 1-5 h claim 4 , and the high-temperature sintering is conducted for 5-15 h.6. The method of claim 1 , wherein the Ni—Co—Mn ternary cathode material as the precursor comprises NiCoMn(OH) claim 1 , where 0.8≤x<1 claim 1 , 0 Подробнее

Porous Membranes Comprising Nanosheets and Fabrication Thereof

A porous membrane comprising stacked layers of nanosheets, each nanosheet comprising one to three atomic layers of a 2D material comprising or consisting of one or more transition metal dichalcogenides is provided. The nanosheets have pores and the membrane comprises a network of water permeation pathways including through-pathways formed by the pores, horizontal pathways formed by gaps between the layers, and vertical pathways formed by gaps between adjacent nanosheets and stacking defects between the layers. Also provided is a method for making the membrane.

InP-based NANOCLUSTER, AND METHOD OF PREPARING InP-based NANOPARTICLE

The invention relates to InP-based nanoclusters that include indium and phosphorus and further include zinc, chlorine, or a combination thereof, and to a method of preparing the InP-based nanoparticles including heating the InP-based nanoclusters in the presence of zinc, chlorine, or a combination thereof. 1. InP-based nanoclusters comprising indium and phosphorus , and further comprising zinc , chlorine , or a combination thereof.2. The InP-based nanoclusters of comprising the zinc.3. The InP-based nanoclusters of exhibiting a maximum absorption peak at a wavelength of about 393 nanometers.4. The InP-based nanoclusters of claim 3 , wherein a half-width at half-maximum of the maximum emission peak is less than or equal to about 15 nanometers.5. The InP-based nanoclusters of exhibiting a maximum absorption peak at a wavelength of about 408 nanometers.6. The InP-based nanoclusters of claim 5 , wherein a half-width at half-maximum of the maximum emission peak is less than or equal to about 20 nanometers.7. The InP-based nanoclusters of exhibiting a maximum absorption peak at the wavelength of about 360 nanometers.8. The InP-based nanoclusters of claim 7 , wherein a half-width at half-maximum of the maximum emission peak is less than or equal to about 30 nanometers.9. The InP-based nanoclusters of claim 2 , wherein the zinc is present in an amount of about 10 mole percent to about 40 mole percent relative to moles of indium.10. The InP-based nanoclusters of comprising chlorine.11. The InP-based nanoclusters of exhibiting a maximum absorption peak at the wavelength of about 399 nanometers.12. The InP-based nanoclusters of claim 11 , wherein a half-width at half-maximum of the maximum emission peak is less than or equal to about 10 nanometers.13. The InP-based nanoclusters of exhibiting a maximum absorption peak at the wavelength of about 360 nanometers.14. The InP-based nanoclusters of comprising zinc and chlorine claim 1 , wherein the chlorine is present in an amount of ...

Lithium complex oxide for lithium secondary battery positive active material and method of preparing the same

Disclosed is a lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in an internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.

GRAPHITE FILM AND GRAPHITE TAPE

A graphite film having an area of 1×1 cmor more, a thickness of 10 nm to 10 μm, an electrical conductivity in a film surface direction of 400 S/cm or more, and a ratio of an arithmetic average roughness Ra of a surface to the thickness of 1.0 to 600 or 0.3 or less. 1. A graphite film having an area of 1×1 cmor more , a thickness of 10 nm to 10 μm , an electrical conductivity in a film surface direction of 400 S/cm or more , and a ratio of an arithmetic average roughness Ra of a surface to the thickness of 1.0 to 600 or 0.3 or less.2. The graphite film according to claim 1 , wherein a value at each position obtained by measurements of an arithmetic average roughness Ra at a plurality of positions is within ±25% of an average value of Ra obtained from measurement results at all the plurality of positions.3. The graphite film according to claim 1 , having a density of 1.5 g/cmor more.4. The graphite film according to claim 1 , wherein a layer structure having layers laminated in parallel to a film surface and having no void is observed in an area of 70% or more of a cross-sectional area of the graphite film in a cross-sectional SEM image in a direction perpendicular to the film surface claim 1 , the cross-sectional SEM image having both front and back surfaces of the film within a field of view.5. A process for producing the graphite film as defined in claim 1 , comprising:a step of carbonizing and graphitizing a polymer film to obtain a graphite film; anda re-graphitization step of treating the obtained graphite film again at a graphitization temperature, as necessary,wherein,during at least one treatment of the carbonization, graphitization and re-graphitization, a spacer having a thickness of 0.4 or less or 0.75 to 350 when a thickness of a polymer film, a carbonized film or a graphite film is defined as 1 is disposed between a surface of the polymer film, the carbonized film or the graphite film to be treated and a press plate at both surfaces, and{'sup': 2', '2, ' ...

Aluminum Nitride Synthesis from Nut Shells

Nano-structures of Aluminum Nitride and a method of producing nano-structures of Aluminum Nitride from nut shells comprising milling agricultural nuts into a fine nut powder, milling nanocrystalline AlOinto a powder, mixing, pressing the fine nut powder and the powder of nanocrystalline AlO, heating the pellet, maintaining the temperature of the pellet at about 1400° C., cooling the pellet, eliminating the residual carbon, and forming nano-structures of AlN. An Aluminum Nitride (AlN) product made from the steps of preparing powders of agricultural nuts using ball milling, preparing powders of nanocrystalline AlO, mixing the powders of agricultural nuts and the powders of nanocrystalline AlOforming a homogenous sample powder of agricultural nuts and AlO, pressurizing, pyrolyzing the disk, and reacting the disk and the nitrogen atmosphere and forming AlN. 1. A method of producing nano-structures of Aluminum Nitride from nut shells comprising:milling agricultural nuts into a fine nut powder;{'sub': 2', '3, 'milling nanocrystalline AlOinto a powder;'}{'sub': 2', '3, 'mixing the fine nut powder with the powder of nanocrystalline AlO;'}{'sub': 2', '3, 'pressing the fine nut powder and the powder of nanocrystalline AlOinto a pellet;'}providing a nitrogen atmosphere;heating the pellet to a temperature of about 1400° C.;maintaining the temperature of the pellet at about 1400° C.;cooling the pellet in air to a temperature of about 670° C.;eliminating the residual carbon; andforming nano-structures of AlN.2. The method of producing nano-structures of Aluminum Nitride from nut shells ofwherein the step of maintaining the temperature of the pellet at about 1400° C. comprises an interval of 5-6 hours.3. A nano-structured Aluminum Nitride product from nut shells in a pure form and in the wurtzite phase from the steps comprising:milling agricultural nuts into a fine nut powder;{'sub': 2', '3, 'milling nanocrystalline AlOinto a powder;'}{'sub': 2', '3, 'mixing the fine nut powder ...

Porous one-dimensional polymeric graphitic carbon nitride-based nanosystems for catalytic conversion of carbon monoxide and carbon dioxide under ambient conditions

In some aspects and embodiments, the present application provides a wide range of porous 1-D polymeric graphitic carbon-nitride materials that are atomically doped with binary metals in different morphologies. In some embodiments, the graphitic carbon-nitride materials can be prepared with high mass production from inexpensive and natural abundant precursors. In some embodiments, the materials were used successfully for the oxidation of CO to CO2 under ambient reaction temperature in addition to the reduction of CO2 into hydrocarbons. In some embodiments, the materials can be used for practical and large-scale gas conversion for household or industrial applications.

BLOCK COPOLYMER POROUS CARBON FIBERS AND USES THEREOF

Described herein are porous carbon fibers, methods of making the porous carbon fibers, and methods of using the porous carbon fibers. In some aspects, the porous carbon fibers can have a hierarchical distribution of uniformly distributed meso- and micropores, wherein the micropores and mesopores can be interconnected. In aspects, the porous carbon fibers can have mesopores with a uniform pore size. 1. A porous carbon fiber comprising:a carbon matrix; andmesopores, wherein the mesopores are uniformly distributed throughout the carbon matrix, wherein the mesopores are uniform in size, wherein at least 50% of the mesopores are interconnected.2. The porous carbon fiber of claim 1 , further comprising micropores claim 1 , wherein the micropores are distributed throughout the carbon matrix claim 1 , wherein at least 50% of the micropores are interconnected with one or more mesopores.3. The porous carbon fiber of claim 1 , wherein the micropores are uniformly distributed throughout the carbon matrix.4. The porous carbon fiber of claim 1 , wherein the mesopores have a uniform pore size.5. The porous carbon fiber of claim 4 , wherein the peak size of the mesopores ranges from about 2 to about 50 nm.6. The porous carbon fiber of claim 1 , wherein the porosity of the porous carbon fiber ranges from about 20 to about 80 percent.7. The porous carbon fiber of claim 1 , wherein the BET surface area is greater than 300 m·g.8. The porous carbon fiber of claim 1 , wherein the porous carbon fibers have a collective pore volume claim 1 , wherein the collective pore volume ranging from about 0.05 to about 1 cm/g.9. A carbon fiber matrix claim 1 , wherein the carbon fiber matrix comprises:a plurality of porous carbon fibers, wherein each of the carbon fibers in the plurality of porous carbon fibers comprisea carbon matrix; andmesopores, wherein the mesopores are uniformly distributed throughout the carbon matrix, wherein the mesopores are uniform in size, wherein at least 50% of the ...

SURFACE-TREATED INFRARED ABSORBING FINE PARTICLES, SURFACE-TREATED INFRARED ABSORBING FINE POWDER, INFRARED ABSORBING FINE PARTICLE DISPERSION LIQUID USING THE SURFACE-TREATED INFRARED ABSORBING FINE PARTICLES, INFRARED ABSORBING FINE PARTICLE DISPERSION BODY AND METHOD FOR PRODUCING THEM

Surface-treated infrared-absorbing fine particles with excellent moisture and heat resistance and excellent infrared-absorbing properties, surface-treated infrared absorbing fine particle powder containing the surface-treated infrared absorbing fine particles, an infrared absorbing fine particle dispersion liquid and an infrared absorbing fine particle dispersion body using the surface-treated infrared absorbing fine particles, and a method for producing them, wherein a surface of infrared absorbing particles is coated with a coating layer containing at least one selected from hydrolysis product of a metal chelate compound, polymer of hydrolysis product of a metal chelate compound, hydrolysis product of a metal cyclic oligomer compound, and polymer of hydrolysis product of a metal cyclic oligomer compound. 1. Surface-treated infrared absorbing fine particles , wherein a surface of infrared absorbing particles is coated with a coating layer containing at least one selected from hydrolysis product of a metal chelate compound , polymer of hydrolysis product of a metal chelate compound , hydrolysis product of a metal cyclic oligomer compound , and polymer of hydrolysis product of a metal cyclic oligomer compound.2. The surface-treated infrared absorbing fine particles according to the claim 1 , wherein a thickness of the coating layer is 0.5 nm or more.3. The surface-treated infrared absorbing fine particles according to claim 1 , wherein the metal chelate compound or the metal cyclic oligomer compound contains at least one metal element selected from Al claim 1 , Zr claim 1 , Ti claim 1 , Si claim 1 , Zn.4. The surface-treated infrared absorbing fine particles according to claim 1 , wherein the metal chelate compound or the metal cyclic oligomer compound has at least one selected from an ether bond claim 1 , an ester bond claim 1 , an alkoxy group claim 1 , and an acetyl group.5. The surface-treated infrared absorbing fine particles according to claim 1 , wherein the ...