ДВУХКОМПОНЕНТНЫЙ ЭЛЕКТРОН-СЕЛЕКТИВНЫЙ БУФЕРНЫЙ СЛОЙ И ФОТОВОЛЬТАИЧЕСКИЕ ЯЧЕЙКИ НА ЕГО ОСНОВЕ

Настоящее изобретение относится к использованию производных фуллеренов в оптоэлектронных устройствах, таких как фотовольтаические ячейки, формулы (I):,где F - [60]фуллерен или [70]фуллерен, М представляет собой COOH, r представляет собой целое число от 2 до 8, Z представляет собой группу -(СН)-, Ar, или -S-, n представляет собой число от 1 до 12, Y представляет собой алифатическую С-Суглеродную цепь, Ar представляет собой фенил, бифенил или нафтил и X представляет собой Н, Cl или независимую от Y С-Суглеродную цепь. Предложено новое применение указанных соединений в двухкомпонентном электрон-селективном буферном слое органической фотовольтаической ячейке, позволяющее повысить эффективность солнечных батарей. 9 з.п. ф-лы, 1 пр., 1 табл., 5 ил.

СПОСОБ ИЗГОТОВЛЕНИЯ ОРГАНИЧЕСКОГО ФОТОВОЛЬТАИЧЕСКОГО ПРЕОБРАЗОВАТЕЛЯ СОЛНЕЧНОЙ ЭНЕРГИИ В ЭЛЕКТРИЧЕСКИЙ ТОК

Изобретение относится к области энергосберегающих технологий. Предложенный способ повышения эффективности полимерных преобразователей введением в активный слой краунзамещенных порфиринов металлов позволяет снизить стоимость производимой электроэнергии из солнечной энергии. Способ изготовления органического фотовольтаического преобразователя солнечной энергии в электрический ток согласно изобретению включает операцию введения в фотоактивный полимерный слой органического фотовольтаического преобразователя краунзамещенных порфиринатов металлов, при этом краунзамещенные порфиринаты металлов вводят в концентрации от 0.1 до 50 мас.%. Изобретение обеспечивает возможность значительно повысить эффективность органических полимерных преобразователей солнечной энергии в электрическую энергию, кроме того, использование полимерных активных слоев позволяет получать преобразователи на гибкой основе, большой площади и простыми технологическими способами. 2 н. и 6 з.п. ф-лы, 2 ил., 4 пр.

СОЛНЕЧНАЯ БАТАРЕЯ, ВКЛЮЧАЮЩАЯ КЛЕЕВУЮ КОМПОЗИЦИЮ С НИЗКОЙ СКОРОСТЬЮ ПРОНИЦАЕМОСТИ ВОДЯНЫХ ПАРОВ

... 1. Солнечная батарея, включающая слой фотоэлектрического материала; несущую панель; и клеевой слой, склеивающий слой фотоэлектрического материала с несущей панелью, в которой клеевой слой содержит клеевую композицию, включающую полимер или сополимер с низким значением MVTR и модифицрованный силаном полимер или сополимер. 2. Солнечная батарея по п.1, в которой сшитый полимер или сополимер, модифицированный силаном. 3. Солнечная батарея по п.2, в которой модифицированный силаном полимер или сополимер сшиваются в результате воздействия атмосферного кислорода или влаги. 4. Солнечная батарея по п.1, в которой клеевая композиция имеет значение MVTR менее 3 грамм на квадратный метр в день, или менее 1 грамма на квадратный метр в день. 5. Солнечная батарея по п.1, в которой полимер или сополимер с низким значением MVTR включает, по меньшей мере, одно вещество, выбранное из полиизобутилена, изобутилен-изопренового сополимера, изобутилен-изопрендивинилбензольного сополимера, хлорированного или бромированного ...

НЕ УВЛАЖНЯЕМЫЙ, ПОЛНОСТЬЮ ТВЕРДЫЙ БЕЛКОВЫЙ ФОТОЭЛЕКТРИЧЕСКИЙ ПРЕОБРАЗОВАТЕЛЬ, СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ И ЭЛЕКТРОННОЕ УСТРОЙСТВО

... 1. Не увлажняемый, полностью твердый белковый фотоэлектрический преобразователь, содержащий структуру, в которой твердый белковый слой, состоящий из переносящего электроны белка, помещен между первым электродом и вторым электродом.2. Не увлажняемый, полностью твердый белковый фотоэлектрический преобразователь по п.1, в котором твердый белковый слой состоит из мономолекулярной пленки или мультимолекулярной пленки белка, переносящего электроны.3. Не увлажняемый, полностью твердый белковый фотоэлектрический преобразователь по п.2, в котором первый электрод и/или второй электрод представляет собой прозрачный электрод, изготовленный из материала, прозрачного для видимого света.4. Не увлажняемый, полностью твердый белковый фотоэлектрический преобразователь по п.3, в котором твердый белковый слой непосредственно иммобилизирован на первом электроде и на втором электроде.5. Не увлажняемый, полностью твердый белковый фотоэлектрический преобразователь по п.1, характеризующийся тем, что представляет ...

ЛЕГИРОВАННЫЙ ТИТАНАТ

Verfahren zur Passivierung der organischen Elektrode einer organischen Solarzelle und organische Solarzelle

Verfahren zur Passivierung der anorganischen Elektrode einer auf der Basis photovoltaisch aktiver organischer Halbleiter aufgebauten Solarzelle, wobei die anorganische Elektrode vor der Passivierung einer Reinigungsvorbehandlung unterzogen wurde, dadurch gekennzeichnet, dass auf der anorganischen Elektrode in einem ersten Schritt im Vakuum ein Metallalkoholat aus der Dampfphase abgeschieden wird, dessen chemisch nicht gebundener Anteil anschließend durch Sublimieren wieder entfernt wird, und in einem zweiten Schritt eine sublimierende niedermolekulare, in der Dampfphase stabile Substanz aus der Gruppe der Phenole, Alkohole oder organischen Säuren über die Elektrode geleitet wird, wobei wiederum chemisch nicht gebundene Anteile durch Sublimieren entfernt werden, so dass auf der Oberfläche der Elektrode eine Monolage der Substanz verbleibt.

ELEKTROPHOTOGRAPHISCHES ELEMENT ZUR BILDERZEUGUNG UND VERFAHREN ZU SEINER HERSTELLUNG

PHOTOREZEPTOR

SPIROVERBINDUNGEN UND DEREN VERWENDUNG

Process for the production of a transparent conductive layer

A transparent conductive layer of copper(I) iodide, which is suitable for the production of electrophotographic recording materials, is obtained when a solution of copper(I) iodide in acetonitrile is applied to the surface of a substrate which is neither dissolved nor swollen by acetonitrile. The transparent conductive layer obtained is not attacked by the solvent of a coating mass for the production of a photoconductive layer when this mass is applied to the conductive layer.

Organische Dioden und Materialien

Diode mit: zwei Elektroden; und mindestens zwei Gebieten, die zwischen den zwei Elektroden angeordnet sind, mit: einem ersten Gebiet mit einem organischen Material, das mit einem unbeweglichen Dotiermittel dotiert ist, wobei das organische Material ausgewählt ist aus der Gruppe bestehend aus: einem konjugierten Molekül, einem Oligomer, einem Polymer und einem halbleitenden Gebiet.

BILDGEBUNGSELEMENT, MEHRSCHICHTBILDGEBUNGSELEMENT UND FESTKÖRPERBILDGEBUNGSVORRICHTUNG

Dieses Bildgebungselement ist mit einem fotoelektrischen Umwandlungsteil versehen, der durch Laminieren einer ersten Elektrode 21, einer fotoelektrischen Umwandlungsschicht 23A und einer zweiten Elektrode 22 erhalten wird; und eine anorganische Oxidhalbleitermaterialschicht 23B ist zwischen der ersten Elektrode 21 und der fotoelektrischen Umwandlungsschicht 23A gebildet. Die anorganische Oxidhalbleitermaterialschicht 23B ist aus wenigstens zwei Elementen konfiguriert, die aus der Gruppe ausgewählt sind, die aus Indium, Wolfram, Zinn und Zink besteht; der LUMO-Wert Edes Materials, das einen Teil der fotoelektrischen Umwandlungsschicht 23A darstellt, wobei sich der Teil in der Nähe der anorganischen Oxidhalbleitermaterialschicht 23B befindet, und der LUMO-Wert Edes Materials, das die anorganische Oxidhalbleitermaterialschicht 23B darstellt, erfüllen (E- E< 0,2 eV); oder die Beweglichkeit des Materials, das die anorganische Oxidhalbleitermaterialschicht 23B darstellt, beträgt 10 cm/V·s oder ...

FOTOELEKTRISCHER WANDLER UND FESTKÖRPER-BILDGEBUNGSVORRICHTUNG

Ein fotoelektrischer Wandler gemäß einer Ausführungsform der vorliegenden Offenbarung umfasst: eine organische fotoelektrische Umwandlungssektion; eine anorganische fotoelektrische Umwandlungssektion; und einen optischen Filter. Die organische fotoelektrische Umwandlungssektion umfasst eine erste Elektrode, eine zweite Elektrode und eine organische fotoelektrische Umwandlungsschicht. Die erste Elektrode umfasst eine Elektrode und eine weitere Elektrode. Die zweite Elektrode ist so angeordnet, dass sie der ersten Elektrode gegenüberliegt. Die organische fotoelektrische Umwandlungsschicht ist zwischen der ersten Elektrode und der zweiten Elektrode angeordnet und ist mit der einen Elektrode elektrisch gekoppelt. Die organische fotoelektrische Umwandlungsschicht und die andere Elektrode sind mit einer Isolierungsschicht dazwischen vorgesehen. Die anorganische fotoelektrische Umwandlungssektion weist die zwischen der anorganischen fotoelektrischen Umwandlungssektion und der organischen fotoelektrischen ...

Phonon cell used in phonon accumulator or panel, consists of conversion layer containing specific compound semiconductor having band gap below preset value

A phonon cell consists of conversion layer containing group II-IV compound semiconductor having band gap of less than 0.5 eV, preferably less than 0.3 eV. The semiconductor contains organic polymer with water content of 0.05-1.0 %mass. Independent claims are included for the following: (1) use of the phonon accumulator or panel to autonomous uninterrupted power supply; and (2) use of the organic polymer.

Photoelektrische Umwandlungsvorrichtung und Herstellungsverfahren

Verfahren zur elektrisch leitenden Kontaktierung eines mindestens eine Schutzschicht aufweisenden optoelektronischen Bauelements und optoelektronisches Bauelement mit einer solchen Kontaktierung

Die Erfindung betrifft ein Verfahren zur elektrisch leitenden Kontaktierung eines mindestens eine Schutzschicht 7 aufweisenden optoelektronischen Bauelements 10, wobei a) das die mindestens eine Schutzschicht 7 aufweisende optoelektronische Bauelement 10 bereitgestellt wird, wobei das optoelektronische Bauelement 10 mindestens eine Sammelschiene 1 aufweist, die unter der mindestens einen Schutzschicht 7 angeordnet ist, b) mindestens eine Öffnung 8 mittels Laserablation mit mindestens einem Laserstrahl in der mindestens einen Schutzschicht 7 gebildet wird, wobei der Wellenlängenbereich des Lasers 8 µm bis 12 µm beträgt, wobei mindestens eine unter der mindestens einen Schutzschicht 7 angeordnete Sammelschiene 1 teilweise freigelegt wird, so dass die mindestens eine Sammelschiene 1 nicht beschädigt wird, c) ein niedrigschmelzendes Lot in die mindestens eine Öffnung 8 der mindestens einen Schutzschicht 7 eingebracht wird, und ein flexibles elektrisch leitfähiges Element 2 an einer der mindestens ...

Photovoltaisches Element mit verbesserter Effizienz bei Verschattung und Verfahren zur Herstellung eines solchen photovoltaischen Elements

Photovoltaisches Element (1) mit mindestens einer photovoltaischen Zelle (2), aufweisend eine Grundelektrode (3), eine Deckelektrode (4), und ein Schichtsystem (5), mit mindestens einer photoaktiven Schicht (6), wobei das Schichtsystem (5) zwischen der Grundelektrode (3) und der Deckelektrode (4) angeordnet ist. Die mindestens eine photovoltaische Zelle (2) ist dabei zumindest teilweise in Segmente (7) segmentiert, wobei die Segmentierung derart ausgebildet ist, dass zumindest die Deckelektrode (4) und das Schichtsystem (5) eines Segments (7) von der Deckelektrode (4) und dem Schichtsystem (5) eines weiteren Segments (7), oder die Deckelektrode (4), das Schichtsystem (5) und zumindest teilweise die Grundelektrode (3) eines Segments (7) von der Deckelektrode (4), dem Schichtsystem (5) und zumindest teilweise der Grundelektrode (3) eines weiteren Segments (7) jeweils durch mindestens einen Hohlraum (8) sich nicht berührend voneinander getrennt sind, wobei der mindestens eine Hohlraum (8) ...

Laminated interconnects for opto-electronic device modules

A method of producing an encapsulated module of interconnected opto-electronic devices such as organic photovoltaic (PV) devices or organic light emitting diode (OLED) devices is provided, which comprises: forming a patterned anode layer 104; forming a layer of opto-electronically active material 108 over the patterned anode layer 104; forming a patterned cathode layer 110 over the layer of opto-electronically active material 108, to provide a device array 100 of opto-electronically active cells on the substrate; selectively removing portions of the layer of opto-electronically active material 108 so as to expose minor portions 104a of the anodes 104; forming a patterned interconnect layer 171 on an encapsulating sheet 172 in a pattern to define an array of interconnect pads 171; and laminating the patterned encapsulating sheet 170 over the array 100 of opto-electronically active cells whereby the exposed anode portions 104a are interconnected with the cathodes 110 of adjacent cells by ...

Production of carbon nanotube-molecular semiconductor thin film

A method of producing a thin film of an organic molecular semiconductor with uniformly dispersed carbon nanotubes is disclosed. The method comprises adapting the carbon nanotubes and the molecular semiconductor to make them soluble. The molecular semiconductor is also adapted to facilitate high molecular order and frontier orbital overlap between adjacent molecules. The soluble carbon nanotubes and the soluble molecular semiconductor are combined in a solvent to form a solution and a thin film is produced from the solution, e.g. by spin casting. The molecular semiconductor is preferably a porphyrin or phthalocyanine. The thin film is useful as a carrier injection layer in organic electronic devices such as solar cells, organic light emitting diodes, backlights for liquid crystal displays and system on chip devices.

Organic photovoltaic device comprising polycrystalline discotic liquid crystal

Method of forming an electronic device

Photoresponsive polymer systems and their use

Charge separation polymers

Electroactive polymers

Tractable doped electroactive polymers, comprising recurring units of a fused nitrogen-containing unsaturated heterocyclic ring system, are fabricated from the virgin polymer by contacting the polymer with donor or acceptor conductivity modifier atoms or groups of atoms.

PHOTORECEPTOR

Solvent systems for preparation of photosensitive organic electronic devices

A formulation comprises p-type (e.g. conjugated organic polymer) and n-type organic semiconductors (e.g. fullerene) and a solvent mixture comprising an aromatic hydrocarbon substituted with one or more substituents selected from alkyl and alkoxy groups and a unsubstituted or substituted benzothiazole, for example 2-methylbenzothiazole. The formulation may be used to form the photoactive layer (3) of a photosensitive organic electronic device, for example an organic photodetector, comprising an anode (2) a cathode (4) and the photoactive layer between the anode and the cathode.

Method of manufacturing an organic photodetector

A method of manufacturing an organic photodetector is provided. The organic photodetector includes a bulk heterojunction layer 3 between a first electrode 2 and a second electrode 4, wherein the bulk heterojunction layer extends beyond an active photodetector area defined by the overlap area of the first and second electrodes. The second electrode may be a discontinuous electrode defining, with the first electrode, a plurality photodetector elements. In formation of the organic photodetector, the bulk heterojunction layer is heated. Upon heating, a non-polymeric component 3’a of the bulk heterojunction outside the active photodetector areas may migrate into an encapsulation layer 5. The heating may improve resolution of the photodetector.

ELECTROPHOTOGRAPHIC SENSITIVE ELEMENTS

ELECTROLYTE COMPOSITION, PHOTOELECTRIC TRANSFORMATION DEVICE AND PHOTO-ELECTRO-CHEMICAL CELL

VORRICHTUNG ZUM UMWANDELN INFRAROTER STRAHLUNG IN ELEKTRISCHEN STROM

VORRICHTUNG ZUM UMWANDELN INFRAROTER STRAHLUNG IN ELEKTRISCHEN STROM

PROCEDURE FOR THE PRODUCTION OF A MULTI-LAYER THING

VERFAHREN ZUR HERSTELLUNG EINES ELEKTROPHOTO- GRAPHISCHEN MATERIALS

HETEROATOMI REGIOREGULÄRE POLY (3SUBSTITUIERTE THIOPHENE) IN PHOTO VOL DAY CELLS

PHOTOVOLTAI CELL WITH A PHOTOACTIVE LAYER FROM TWO MOLECULAR ORGANIC COMPONENTS

PROCEDURE FOR THE SUBSEQUENT TREATMENT OF A PHOTOVOLTAI CELL

PHOTOVOLTAISCHE ZELLE MIT EINER PHOTOAKTIVEN SCHICHT AUS ZWEI MOLEKULAREN ORGANISCHEN KOMPONENTEN

A photovoltaic cell is described, having a photoactive layer ( 4 ) made of two molecular components, namely an electron donor and an electron acceptor, particularly a conjugated polymer component and a fullerene component, and having two metallic electrodes ( 2, 5 ) provided on both sides of the photoactive layer ( 4 ). In order to provide advantageous construction ratios, it is suggested that an electrically insulating transition layer ( 6 ), having a thickness of at most 5 nm, be provided between at least one electrode ( 5 ) and the photoactive layer ( 4 ).

PHOTOVOLTAISCHE ZELLE MIT EINER PHOTOAKTIVEN SCHICHT AUS ZWEI MOLEKULAREN ORGANISCHEN KOMPONENTEN

DÜNNSCHICHT-SOLARZELLE UND VERFAHREN ZU IHRER HERSTELLUNG

TIFF 00000004.TIF 297 212 ...

DÜNNSCHICHT-SOLARZELLE UND VERFAHREN ZU IHRER HERSTELLUNG

Visibly transparent, near-infrared-absorbing and ultraviolet-absorbing photovoltaic devices

Visibly transparent photovoltaic devices are disclosed, such as those are transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices make use of transparent electrodes and near-infrared or ultraviolet absorbing visibly transparent photoactive compounds, optical materials, and/or buffer materials.

Method for producing a film of light-absorbing material with a perovskite-like structure

The invention relates to a method for producing an organic-inorganic light-absorbing material with a perovskite-like structure, which can be used in the manufacturing of perovskite solar cells. The method for producing a light-absorbing material with a perovskite-like structure of formula АСВ ...

Liquid crystalline rylene tetracarboxylic acid derivatives and use thereof

Nanoparticle sensitized nanostructured solar cells

Increased open-circuit-voltage organic photosensitive devices

A photosensitive device includes a first organic material and a second organic material forming a donor-acceptor heterojunction electrically connected between an anode and a cathode, where the first organic material and second organic material each have a Franck-Condon Shift of less than 0.5 eV. Preferably, one or both of the first organic material and the second organic material have Franck-Condon Shifts of less than 0.2 eV, or better yet, less than 0.1 eV.

POLYMER THIN FILM AND POLYMER THIN FILM DEVICE USING SAME

Enhanced bulk heterojunction devices prepared by thermal and solvent vapor annealing processes

A method of preparing a bulk heterojunction organic photovoltaic cell through combinations of thermal and solvent vapor annealing are described. Bulk heterojunction films may prepared by known methods such as spin coating, and then exposed to one or more vaporized solvents and thermally annealed in an effort to enhance the crystalline nature of the photoactive materials.

Increased open-circuit-voltage organic photosensitive devices

Abstract A photosensitive device includes a first organic material and a second organic material forming a donor-acceptor heterojunction electrically connected between an anode and a cathode, said first and second organic materials comprising planar molecules having fused rings and where the first organic material and second organic material each have a Franck Condon Shift of less than 0.5 eV. Preferably, one or both of the first organic material and the second organic material have Franck-Condon Shifts of less than 0.2 eV, or better yet, less than 0.1 eV. Figure 13 Figure 12A Figure 12B J-aggregate Single Molecule Absrption Peak Absorption Peak Figure 13 ...

Transparent photovoltaic cells

A transparent photovoltaic cell and method of making are disclosed. The photovoltaic cell may include a transparent substrate and a first active material overlying the substrate. The first active material may have a first absorption peak at a wavelength greater than about 650 nanometers. A second active material is disposed overlying the substrate, the second active material having a second absorption peak at a wavelength outside of the visible light spectrum. The photovoltaic cell may also include a transparent cathode and a transparent anode.

SEMICONDUCTOR LIQUID CRYSTAL COMPOSITION AND METHODS FOR MAKING THE SAME

SEMICONDUCTOR-NANOCRYSTAL/CONJUGATED POLYMER THIN FILMS

Amorphous material and the use thereof

The present invention relates to a new amorphous material with advantageous properties as charge transport material and/or absorber material for various applications, in particular in photoelectric conversion devices, i.e. an amorphous material of the composition (R ...

Optoelectronic device

Abstract The invention provides an optoelectronic device comprising a photoactive region, which photoactive region comprises: an n-type region comprising at least one n-type layer; a p-type region comprising at least one p-type layer; and, disposed between the n-type region and the p-type region: a layer of a perovskite semiconductor without open porosity. The perovskite semiconductor is generally light-absorbing. In some embodiments, disposed between the n-type region and the p-type region is: (i) a first layer which comprises a scaffold material, which is typically porous, and a perovskite semiconductor, which is typically disposed in pores of the scaffold material; and (ii) a capping layer disposed on said first layer, which capping layer is said layer of a perovskite semiconductor without open porosity, wherein the perovskite semiconductor in the capping layer is in contact with the perovskite semiconductor in the first layer. The layer of the perovskite semiconductor without open porosity ...

Organic solar cell of the bulk heterojunction type comprising an imide based conjugated backbone compound as photoactive material

The invention relates to a solar cell comprising at least a substrate (10), a cathode (11), a hole conductive layer (12), a bulk heterojunction photoactive layer (13) of a blend of a donor material and an acceptor material, an electron conductive layer (14) and an anode (15), wherein the blend comprises at least one photoactive material comprising a conjugated backbone system having: i) the general formula R2-imide-Ar-L-Ar-imide-R3, wherein Ar-L-Ar is a conjugated chromophore, imide is imide -OCNCO-, R2 and R3 are organic groups, bonded to the N atom of the respective imide and forming a conjugated bond with the respective imide; or. ii) repeating units (R4-imide-Ar-L-Ar-imide)n, wherein Ar-L-Ar is a conjugated chromophore, imide is imide -OCNCO-, R4 is an organic group bonded to the N atom of the respective imide and forming a conjugated bond with the respective imide and n is the number of repeating units.

Optoelectronic device

The invention provides an optoelectronic device comprising a photoactive region, which photoactive region comprises: an n-type region comprising at least one n-type layer; a p- type region comprising at least one p-type layer; and, disposed between the n-type region and the p-type region: a layer of a perovskite semiconductor without open porosity. The perovskite semiconductor is generally light-absorbing. In some embodiments, disposed between the n-type region and the p-type region is: (i) a first layer which comprises a scaffold material, which is typically porous, and a perovskite semiconductor, which is typically disposed in pores of the scaffold material; and (ii) a capping layer disposed on said first layer, which capping layer is said layer of a perovskite semiconductor without open porosity, wherein the perovskite semiconductor in the capping layer is in contact with the perovskite semiconductor in the first layer. The layer of the perovskite semiconductor without open porosity ...

Process of forming a photoactive layer of a perovskite photoactive device

A process of forming a thin film photoactive layer of a perovskite photoactive device comprising: applying at least one coating of a perovskite precursor solution and a polymer additive to a substrate, wherein the at least one perovskite precursor solution comprises at least one reaction constituent for forming at least one perovskite compound having the formula AMX ...

Uses of a carbon nanobud molecule and devices comprising the same

A carbon nanobud molecule (3, 9, 18, 23, 29, 36) having at least one fullerene part covalently bonded to the side of a tubular carbon molecule is used to interact with electromagneticradiationin a device, wherein the interaction with electromagnetic radiation occurs through relaxation and/or excitation of the carbon nanobud molecule.

Solar cell and process for producing the same

The present invention relates to photoanodes, solar cells and methods and processes for producing the same. In some embodiments, the solar cells of the invention can do without a sintered nanoporous scaffold layer, making it possible to produce the solar cells in low- temperature procedures. In some embodiments, the invention encompasses organic- inorganic perovskite sensitizers, deposited on a smooth metal oxide layer. In some embodiments, the organic-inorganic perovskite sensitizers are deposited in a two-step sequential process.

Perovskite material layer processing

A method for processing a perovskite photoactive layer. The method comprises depositing a lead salt precursor onto a substrate to form a lead salt thin film, depositing a second salt precursor onto the lead salt thin film, annealing the substrate to form a perovskite material.

Optoelectronic devices with organometal perovskites with mixed anions

The invention provides an optoelectronic device comprising a mixed-anion perovskite, wherein the mixed-anion perovskite comprises two or more different anions selected from halide anions and chalcogenide anions. The invention further provides a mixed-halide perovskite of the formula (I) [A][B][X] 3 (I) wherein: [A] is at least one organic cation; [B] is at least one divalent metal cation; and [X] is said two or more different halide anions. In another aspect, the invention provides the use of a mixed-anion perovskite as a sensitizer in an optoelectronic device, wherein the mixed-anion perovskite comprises two or more different anions selected from halide anions and chalcogenide anions. The invention also provides a photosensitizing material for an optoelectronic device comprising a mixed-anion perovskite wherein the mixed-anion perovskite comprises two or more different anions selected from halide anions and chalcogenide anions.

Polymer photovoltaic cell with an inverted structure and process for its preparation

Polymeric photovoltaic cell (or solar cell) with an inverted structure comprising: an anode; a first anode buffer layer; an active layer comprising at least one photoactive organic polymer as the electron donor and at least one organic electron acceptor compound; a cathode buffer layer; a cathode; wherein between said first anode buffer layer and said active layer a second anode buffer layer is placed comprising a hole transporting material, said hole transporting material being obtained through a process comprising: reacting at least one heteropoly acid containing at least one transition metal belonging to group 5 or 6 of the Periodic Table of the Elements; with at least an equivalent amount of a salt or a complex of a transition metal belonging to group 5 or 6 of the Periodic Table of the Elements with an organic anion, or with an organic ligand; in the presence of at least one organic solvent selected from alcohols, ketones, esters, preferably alcohols. Said polymer photovoltaic cell ...

Visibly transparent, near-infrared-absorbing and ultraviolet-absorbing photovoltaic devices

Visibly transparent photovoltaic devices are disclosed, such as those are transparent to visible light but absorb near-infrared light and/or ultraviolet light. The photovoltaic devices make use of transparent electrodes and near-infrared or ultraviolet absorbing visibly transparent photoactive compounds, optical materials, and/or buffer materials.

2,5-BIS DIPHENYLAMINOPHENYL -1,3,4-OXADIAZOLES

Photovoltaic cell

METHOD OF FABRICATING AN OPTOELECTRONIC DEVICE HAVING A BULK HETEROJUNCTION

A method of fabricating an optoelectronic device comprises: depositing a first layer having protrusions over a first electrode, in which the first layer comprises a first organic small molecule material; depositing a second layer on the first layer such that the second layer is in physical contact with the first layer; in which the smallest lateral dimension of the protrusions are between 1 to 5 times the exciton diffusion length of the first organic small molecule material; and depositing a second electrode over the second layer to form the optoelectronic device. A method of fabricating an organic optoelectronic device having a bulk heterojunction is also provided and comprises: depositing a first layer with protrusions over an electrode by organic vapor phase deposition; depositing a second layer on the first layer where the interface of the first and second layers forms a bulk heterojunction; and depositing another electrode over the second layer.

OPTICALLY CONTROLLED SWITCHES

An optically controlled switch includes first and second electrodes, a channel extending between the electrodes, and a light source positioned to illuminate the channel. The light source produces a wavelength capable of changing the material's conductivity. The channel includes a photosensitive organic material and is configured to operate as a light controlled switch.

MULTI-ACTIVE PHOTOCONDUCTIVE ELEMENT I

MULTI-ACTIVE PHOTOCONDUCTIVE ELEMENT I A multi-active photoconductive insulating element having at least two layers comprising a charge-generation layer and an organic photoconductor-containing charge-transport layer is disclosed. The charge-generation layer contains a continuous polymeric phase having dispersed therein a co-crystalline complex composed of (i) at least one polymer having an alkylidene diarylene group in a recurring unit and (ii) at least one pyrylium-type dye salt.

PHOTOCONDUCTIVE COMPOSITION CONTAINING A P TYPE ORGANIC PHOTOCONDUCTOR AND A CHARGE TRANSFER COMPLEX

PHOTOCONDUCTIVE COMPOSITIONS AND ELEMENTS CONTAINING SAME Or the Disclosure A photoconductive insulating composition containing (a) one or more p-type organic photoconductor components and (b) a charge transfer complex of one or more electron acceptor components and one or more electron donor components, the electron donor components being selected from materials having one of the following formulas: I. II. III. wherein n represents 0, 1 or 2; X represents oxygen, sulfur, selenium or the groups or ; Y represents a single covalent chemical bond or the necessary carbon and hydrogen atoms to complete a 6 to 9 member saturated or unsaturated ring; and each of R1 through R8 represents a substituent group such that the resultant material forms a charge-transfer complex with 2,4,7-trinitro-9-fluorenone.

PROCESSES FOR THE PREPARATION OF SQUARAINE COMPOSITIONS

Disclosed is an improved process for the preparation of squaraine compositions which comprises reacting squaric acid, an aromatic amine, and a composition selected from the group consisting of phenols and phenol squaraines, in the presence of an aliphatic alcohol, and an optional azeotropic substance.

PHOTOCONDUCTIVE DEVICES CONTAINING NOVEL SQUARAINE COMPOSITIONS

This invention is generally directed to fluorinated squaraine compositions of the formula: wherein R1, R2, R3, and R4, are independently selected from alkyl groups, containing from about 1 to about 20 carbon atoms, and layered photoresponsive devices containing such compositions.

ELECTRICALLY CONDUCTING COMPOSITIONS DERIVED FROM POLY(PHENYLENE)

ELECTRICALLY CONDUCTING COMPOSITIONS DERIVED FROM POLY(PHENYLENE) Described are electrically conducting doped poly(phenylene) compositions, preferably exhibiting conductivities greater than about 10-4 ohm-1 cm-1 as measured by the four-probe method at room temperature. Preferred dopants are Group IA metal arenes, as electron donor agents, and arsenic pentafluoride as an electron acceptor agent. Semiconductors and infrared absorber materials manufactured from the compositions are also described.

ELECTROACTIVE POLYMERS

Tractable doped electroactive polymers, comprising recurring units of a fused nitrogen-containing unsaturated heterocyclic ring system, are fabricated from the virgin polymer by contacting the polymer with donor or acceptor conductivity modifier atoms or groups of atoms.

ION PLATED ACTIVE MATRIX PHOTORECEPTOR

A method for improving the durability of an exposed photoconductor change generating layer of a xerographic photoreceptor by applying the photoconductor charge generating layer as a vapor cloud containing high energy ions of the photoconductor material obtained from a glow discharge.

IMAGING MEMBER CONTAINING A SUBSTITUTED N,N,N',N',- TETRAPHENYL-(1,1'-BIPHENYL)-4,4'-DIAMINE IN THE CHARGGE TRANSPORT LAYER

4H-THIOPYRAN-1,1-DIOXIDE AND ELECTROPHOTOGRAPHIC LAYERS AND ELEMENTS COMPRISING SAME

CHARGE-TRANSPORTING COMPOUNDS AND PHOTOCONDUCTIVE ELEMENTS PROVIDED WITH SUCH CHARGE-TRANSPORTING COMPOUNDS

METHOD FOR SYNTHESIS OF FILMS MADE OF LIGHT-ABSORBING MATERIAL WITH PEROVSKITE-LIKE STRUCTURE

The invention relates to a method for producing an organic-inorganic light-absorbing material with a perovskite-like structure, which can be used in the manufacturing of perovskite solar cells. The method for producing a light-absorbing material with a perovskite-like structure of formula ???3 consists in applying a layer of reagent AB, of a thickness with a specified reaction stoichiometry, to a layer of reagent C, and subsequently placing the layers into a liquid or gaseous medium containing a reagent ?2, where component ? can be CH3NH3+, (NH2)2CH+, C(NH2)3+, Cs+ or a mixture thereof, component ? can be ?1-, ?r-, I- or a mixture thereof, and component C can be the metals Sn, Pb or Bi, or alloys, oxides or salts thereof. The technical result which can be achieved with the use of the claimed invention is a simple and rapid method for producing a layer, which is homogeneous because of the formation of a film of intermediate phase ??-?2, of a light-absorbing organic-inorganic material with ...

POLYMER PHOTOVOLTAIC CELL WITH AN INVERTED STRUCTURE AND PROCESS FOR ITS PREPARATION

Polymeric photovoltaic cell (or solar cell) with an inverted structure comprising: an anode; a first anode buffer layer; an active layer comprising at least one photoactive organic polymer as the electron donor and at least one organic electron acceptor compound; a cathode buffer layer; a cathode; wherein between said first anode buffer layer and said active layer a second anode buffer layer is placed comprising a hole transporting material, said hole transporting material being obtained through a process comprising: reacting at least one heteropoly acid containing at least one transition metal belonging to group 5 or 6 of the Periodic Table of the Elements; with at least an equivalent amount of a salt or a complex of a transition metal belonging to group 5 or 6 of the Periodic Table of the Elements with an organic anion, or with an organic ligand; in the presence of at least one organic solvent selected from alcohols, ketones, esters, preferably alcohols. Said polymer photovoltaic cell ...

NOVEL ELECTROLUMINESCENT POLYMERS FOR ELECTRONIC APPLICATIONS

The present invention relates to novel polymers comprising a repeating un it(s) of the formula (I) wherein at least one of the substituents R1, R2, R3 , R4, R5, R6, and R7 is a group -(Sp)x1-HEI, wherein Sp is a spacer unit, HE 1 is a group (HE1I), which increases the hole-injection and/or hole-transpor t properties of the polymers; or a group (HE1II), which increases the electr on- injection and/or electron-transport properties of the polymers, or a gro up (HE1III), which increases the hole-injection and/or hole-transport proper ties of the polymers and the electron-injection and/or electron-transport pr operties of the polymers, x1 is 0, or 1, and their use in electronic devices . The polymers according to the invention have excellent solubility in organ ic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color can be observed, if the polymers according to the invention are used in polymer light ...

CONJUGATED POLYMER, AND ELECTRON DONATING ORGANIC MATERIAL, MATERIAL FOR PHOTOVOLTAIC DEVICE AND PHOTOVOLTAIC DEVICE USING THE CONJUGATED POLYMER

The objective of the present invention is to provide a photovoltaic element which has high photoelectric conversion efficiency and an electron-donating organic material which comprises a conjugate polymer having a structure of a thieno[3, 4-b]thiophene skeleton with an alkoxycarbonyl group in which a specific alkyl group part is a straight chain alkyl group or an alkanoyl group in which the alkyl group part is a straight chain alkyl group and a benzo[1,2-b: 4, 5-b']dithiophene skeleton with a heteroaryl group.

Electrophotographic element for image generation, process for its production and use of the element

PRODUCT CONTAINING A PHOTOCONDUCTIVE INSULATING ORGANIC PHOTOCONDUCTOR.

ELECTROPHOTOGRAPHIC PRODUCT CONTAINING HETEROCYCLIC RING AROMATIC, AS CHEMICAL SENSITIZER.

PROCEDURE FOR THE PRODUCTION OF CRYSTALLINE PHOSPHORUS AND PRODUCT.

STABLE ONE, PHOSPHORUS ABSTENTION SOLID DEPOSITS, PROCEDURES FOR THEIR PRODUCTION AS WELL AS USES OF THE DEPOSITS MENTIONED.

PROCEDURE FOR THE PRODUCTION A HIGH OF A PHOSPHORHALTIGEN COATING, APPARATUS FOR THE EXECUTION OF THE COATING AND USE THE SAME.

IN 2-STELLUNG SUBSTITUTING 5,6,11,12-TETRATHIO AND 5,6,11,12-TETRASELENOTETRACENE, PROCEDURE FOR YOUR PRODUCTION AND YOUR USE.

Composition and light emitting element using the composition

Disclosed is a composition which contains (i) a crosslinkable high-molecular-weight compound that has a crosslinkable group and exhibits either light emitting properties and/or charge transporting properties, and (ii) a crosslinkable low-molecular-weight compound that has a crosslinkable group and exhibits either light emitting properties and/or charge transporting properties.

Organic solar battery and manufacturing method thereof

The invention discloses an organic solar battery and a manufacturing method thereof. The organic solar battery consists of a first electrode, a second electrode, a photoactive layer, an electronic transmission layer and a hole transport layer, wherein a convex or concave nanostructure is formed on the surface of the electronic transmission layer or that of the hole transport layer by soft-nano imprinting and forms a convex-concave complementary light trapping structure with the photoactive layer; and the convex-concave complementary light trapping structure can effectively increase the absorption to light within a wide spectrum range from ultraviolet light to infrared light, and thus the conversion efficiency of the organic solar battery is increased. The manufacturing method has the advantages of high fidelity, one-step forming property, low cost and the like as well as has favorable actual application value.

Dye-sensitized solar cell electrode and dye-sensitized solar cell

The present invention provides a dye-sensitized solar cell electrode and a dye-sensitized solar cell, wherein the dye-sensitized solar cell electrode is provided with a substrate which is made of a polyimide film that is obtained through the reaction of biphenyltetracarboxylic di-anhydride and phenylenediamine.

Electrically conductive films formed from dispersions comprising polythiophenes and ether containing polymers

Disclosed are an aqueous dispersion and a method for making an aqueous dispersion. The dispersion includes at least one conductive polymer such as a polythienothiophene, at least one ether containing polymer and optionally at least one colloid-forming polymeric acid and one non-fluorinated polymeric acid. Devices utilizing layers formed of the inventive dispersions are also disclosed.

Device and method for step-by-step coating of precursor solution and surfactant

Preparation method of perovskite solar cell based on nickel oxide hole transport layer

Organic thin-film solar cell based on dual cathode buffer layers and preparation method of organic thin-film solar cell

Photoelectric conversion device and imaging device

Polyelectrolyte as well as preparation method and application thereof

Based on the multi-layer doped magnesium-aluminum-zinc oxide composite thin film is used as an electron transporting layer of the organic solar cell