METHOD FOR PREPARING QUANTUM DOTS OF LEAD SELENIDE

Provided is a method for preparing quantum dots of lead selenide, comprising the following steps: 1) mixing selenium powder with octadecene, heating with stirring to dissolve the selenium powder fully, maintaining the temperature, then cooling to room temperature to obtain a stock solution of selenium; 2) mixing lead compound, oleic acid, octadecene and benzophenone together, and dissolving to obtain a stock solution of lead, then maintaining the temperature at 130-190℃; 3) adding the stock solution of selenium into the stock solution of lead rapidly, and maintaining the temperature at 100-160℃, after cooling, quantum dots of lead selenide are initially prepared; 4) adding the initially prepared quantum dots of lead selenide into a mixture of toluene and methanol, centrifugating and removing the supernatant to obtain a precipitate, then redissolving the precipitate with toluene to obtain a transparent solution of quantum dots of pure lead selenide. The method is safe in operation, simple ...

ORGANIC SEMICONDUCTOR MATERIAL, PREPARATION METHODS AND USES THEREOF

Disclosed are organic semiconductor material, preparation methods and uses thereof. The organic semiconductor material is shown as the following formula (P), in which R1, R2, R3, m, n, x and y are defined as the description. The said organic semiconductor material can be used in organic solar cell, organic field effect transistor, organic electroluminescence element, organic optical storage, organic non-linear material or organic laser element.

ORGANIC ELECTROLUMINESCENT DEVICE AND PREPARATION METHOD THEREOF

Disclosed are an organic electroluminescent device and a preparation method thereof. The organic electroluminescent device is a top-emitting organic electroluminescent device having a reversed structure, and the preparation method is: dissolving zinc oxide with acetic acid to obtain a zinc oxide solution with a concentration of 0.3 g/ml—0.6 g/ml, adding a phthalocyanine substance in a mass of 1% - 10% of the mass of the zinc oxide to obtain a mixture, spin-coating the mixture on a glass substrate (1) and then drying to obtain a cathode (2), and then preparing by vapour deposition, an electron injection layer (3), an electron transport layer (4), a luminescent layer (5), a hole transport layer (6), a hole injection layer (7) and an anode (8), successively, so as to obtain the organic electroluminescent device. The organic electroluminescent device uses a reversed structure, and the cathode (2) uses zinc oxide and a phthalocyanine substance as starting materials such that the electron injection ...

METHOD FOR RAISING LUMINOUS EFFICIENCY OF FIELD EMISSIVE LUMINESCENT MATERIAL, LUMINESCENT GLASS ELEMENT AND THE PREPARING METHOD THEREOF

A method for raising luminous efficiency of field emissive luminescent material, a luminescent glass element and the preparing method thereof are provided. The method for raising luminous efficiency of field emissive luminescent material comprises: forming a nonperiodic metal film having metal micro-nano structure on the surface of a luminescent glass body having a composition of aM2O•bY2O3•cSiO2•dTb2O3; eradiating cathode ray to the metal film, and the cathode ray penetrating the metal film to make the glass body to luminesce. The luminescent glass element has a luminescent glass body, and a nonperiodic metal film having metal micro-nano structure forming on the glass body. The preparing method of the element comprises: preparing a luminescent glass body, forming a metal film on the surface of the luminescent glass body, annealing and cooling to obtain the luminescent glass element. The luminescent glass element in the invention has good transmissivity, high homogenization and luminous ...

BORATE LUMINOUS MATERIAL AND PREPARATION METHOD THEREOF

A kind of borate luminous material is provided, which comprises the compounds having the following formula: M2 (Re1-xLnx) 2 B2O7, wherein 0 Подробнее

LED高顶灯（NGC9831）

Signal lamp

The signal lamp comprises a cover body, a light-transmitting part, a substrate, a blocking part, a lamp holder and a wire set, the cover body, the light-transmitting part and the lamp holder define a containing cavity, a light-emitting part is arranged on the substrate, the substrate and the light-emitting part are both arranged in the containing cavity, a first through hole communicated with the containing cavity is formed in the cover body, the light-transmitting part is arranged in the first through hole, and the blocking part is arranged in the first through hole. A second through hole is formed in the lamp holder, the blocking piece is arranged in the second through hole, a wire penetrating hole is formed in the blocking piece, the wire set penetrates through the wire penetrating hole and is electrically connected with the substrate, and when the blocking piece is arranged in the second through hole, a gap between the blocking piece and the second through hole is filled with a first ...

RARE EARTH ION DOPED LANTHANUM GALLATE LUMINOUS MATERIAL CONTAINING METAL PARTICLES AND PREPARATION METHOD THEREOF

A rare earth ion doped lanthanum gallate luminous material containing metal particles and preparation method thereof are provided. The chemical formula of the lanthanum gallate luminous material is La1-xGaO3:Lnx,My, wherein Ln is one or more Of Tm3+, Tb3+, Eu3+ and Sm3+, M is one of Ag, Au, Pt and Pd, the value range of x is 0.001-0.1, and the value range of y is 0.00002-0.01. The luminous performance of the lanthanum gallate luminous material can be greatly improved under the same excitation condition and the wavelength of emission light doesn't change, due to the introduction of metal particles into the rare earth ion doped lanthanum gallate luminous material. The lanthanum gallate luminous material has excellent luminous performance, and its emitting photochromic purity and light emitting luminance after excitation are high, so it can be used widely in various kinds of light emitting devices.

COMPOSITE ELECTRODE MATERIAL, MANUFACTURING METHOD AND APPLICATION THEREOF

The invention relates to a composite electrode material, a manufacturing method and application thereof. The composite electrode material comprises manganese oxide, graphene and graphite oxide. The manufacturing method includes the following steps, first step: adequately milling graphene then ultrasonic dispersing it into water; second step: dissolving hypermanganate into the water containing graphene and obtaining the aqueous solution containing permanganate ion and graphene; third step: adding polyethylene glycol into the aqueous solution of second step under stirring and obtaining mixed solution; fourth step: stirring the mixed solution until fuchsia completely faded, then filtering, washing and drying precipitate and obtaining the composite electrode material. The composite electrode material has the following advantages: high specific surface area, high conductivity and high specific capacity, and can be applied to supercapacitor electrode material.

LUMINESCENT GLASS ELEMENT, MANUFACTURING METHOD AND LUMINESCENCE METHOD THEREOF

A luminescent glass element comprising a luminescent glass substrate and a metal layer with a metal microstructure on the surface of the substrate is provided. The luminescent glass substrate comprises composite oxides of the following chemical formula: aM2O·bY2O3·cSiO2·dEu2O3, wherein M represents an alkali metal element, a, b, c and d represent mol parts and are individually in the ranges of 25 to 60, 1 to 30, 20 to 70 and 0.001 to 10. A manufacturing method of the luminescent glass element and a luminescence method by using it are also provided. The luminescent glass substrate has the metal layer on it and its luminescence efficiency can be enhanced. Therefore, it can be used in ultra high-bright luminescence devices which operate at high-speed.

AMINE-CONTAINING DIFLUORO BENZOTRIAZOLYL POLYMER AND PREPARATION METHOD AND USE THEREOF

The present invention relates to the field of solar cells. Disclosed are an amine-containing difluoro benzotriazolyl polymer and preparation method and use thereof; the solar cell material has a structure as represented by formula (I), wherein both R1 and R2 are alkyls from C1 to C20, and n is an integer from 10 to 50. In the amine-containing difluoro benzotriazolyl polymer of the present invention, because the 1, 2, 3-benzotriazole solar cell material contains two fluorine atoms, the HOMO energy level will be reduced by 0.11eV while the fluorine-substituted 1, 2, 3-benzotriazole has two imido groups with strong electron-withdrawing property; the difluoro benzotriazole is a heterocyclic compound with strong electron-withdrawing property, and an alkyl chain can be easily introduced to the N-position of the N-H bond of the benzotriazole; the functional group of the alkyl chain can improve solar energy conversion efficiency, thus solving the low efficiency problem of the solar cells made from ...

STANNATE FLUORESCENT MATERIAL AND METHOD FOR PREPARING SAME

The present invention provides a stannate fluorescent material. A molecular formula is A2-xSnO4:Eux@SnO2@My. A is selected from one of Ca, Sr, and Ba elements; M is selected from one of Ag, Au, Pt, Pd, and Cu metal nanoparticles; 0 Подробнее

ORGANIC ELECTROLUMINESCENT MATERIAL CONTAINING IRIDIUM, PREPARATION METHOD THEREOF AND ORGANIC ELECTROLUMINESCENT ELEMENT

Organic electroluminescent material containing iridium of the following general formula, in which R is C1-C8 alkyl, is provided. The preparation method of the above organic electroluminescent material containing iridium and the organic electroluminescent element using the above organic electroluminescent material containing iridium are also provided.

CONJUGATED POLYMER CONTAINING ISOINDIGO UNITS, PREPARATION METHOD AND USE THEREOF

A conjugated polymer containing isoindigo units is disclosed, which has the following structure: P: formula I; wherein, Ar is, formula II, formula III or formula IV; R1 is a C8-C20 alkyl; R2 is a C1-C12 alkyl; n is an integer of 2-50. The conjugated polymer containing isoindigo units of this type has good solubility and film-forming property, as well as high thermal stability. HOMO and LUMO energy level are regulated effectively; the absorption range is broaden; and the energy conversion efficiency is greatly improved. A preparation method for the above conjugated polymer containing isoindigo units and use thereof in related fields are also provided.

TITANATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

The present invention relates to a titanate luminescent material and preparation method thereof. The titanate luminescent material has the following general chemical formula: Ca1-xTi1-yO3: Prx, Ry@TiO2@Mz, wherein @ represents coating, Mz is a core, TiO2 is an intermediate shell; Ca1-xTi1-yO3: Prx, Ry is an outer shell, Prx and Ry are doped in Ca1-xTi1-yO3; R is at least one of Al and Ga, and M is at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; 0＜x≤0.01, 0＜y≤0.20, z is the molar ratio between M and the element Ti in the titanate luminescent material, 0＜z≤1×10-2. The titanate luminescent material is formed into a core-shell structure by being doped with a charge compensation agent such as ions Al3+, Ga3+ and the like, and encapsulating metallic nanoparticles, thus effectively improving the luminous efficiency of the titanate luminescent material. Moreover, the titanate luminescent material has the advantages of good stability and good luminous performance, and thus can be used ...

CONJUGATED POLYMER BASED ON PERYLENE TETRACARBOXYLIC ACID DIIMIDE AND BENZODITHIOPHENE AND ITS PREPARATION METHOD AND APPLICATION

A conjugated polymer based on perylene tetracarboxylic acid diimide and benzodithiophene and its preparation method and application are provided, represented by the following formula (I): wherein, n is a positive integer of less than 101; R1, R2 and R3 are independently hydrogen, C1-C20 alkyl, C1-C20 alkoxy phenyl or phenyl; R4 and R5 are C1-C20 alkyl. The conjugated polymer has good solubility, strong absorbance, wide light absorption range, improved photoelectric conversion efficiency, and excellent charge transport performance, which can be widely used in photoelectric energy conversion field, such as solar cells, organic electroluminescent devices and organic field effect transistors.

CONDUCTIVE GLUE MIXTURE, FLUORESCENT SCREEN ANODE PLATE AND MANUFACTURE METHOD THEREOF

A conductive glue mixture includes a component A which is 0.1%~28% of the dry weight of the conductive glue mixture and a component B which is 72%~99.9% of the dry weight of the conductive glue mixture. The component A is selected from one or more of SnCl4, InCl3, and SbCl3. The component B is selected from one or more of K2O•nSiO2, Na2O•nSiO2, (SiO2)n, and Al2O3. The conductivity of the conductive glue mixture is improved. The conductive glue mixture is applied to the manufacture of the fluorescent screen anode plate. The life of the luminescent layer can be increased greatly, thereby the life and the light efficiency of the field emission device is increased. A fluorescent screen anode plate using the conductive glue mixture and a manufacture method thereof are provided.

LUMINESCENT MATERIALS DOPED WITH METAL NANO PARTICLES AND PREPARATION METHODS THEREFOR

The invention belongs to the field of luminescent materials. Disclosed are luminescent materials doped with metal nano particles and preparation methods therefor. The luminescent materials doped with metal nano particles are represented by the chemical formula: A5-x(PO4)2SiO4:xRE@My, wherein @ is for coating, M is inner core, M is one metal nano particle selected from Ag, Au, Pt, Pd and Cu; RE is one or two ions selected from Eu, Gd, Tb, Tm, Sm, Ce, Dy and Mn; A is one or two elements selected from Ca, Sr, Ba, Mg, Li, Na and K; x is stoichiometric coefficient, 0 Подробнее

PT-RU NANO-ALLOY/GRAPHENE CATALYST, PREPARATION METHOD AND USE THEREOF

A Pt-Ru nano-alloy/graphene catalyst comprises graphene as a support, and a Pt-Ru nano-alloy loaded on the graphene. The use of graphene as support for the catalyst takes advantage of the ion effect and two-dimensional ductility of graphene, which increases the stability of the catalyst. The catalyst is prepared by a reverse micelles system method which provides a micro-environment (i.e. water-in-oil microemulsion), so that the particle size of the resulting nano-alloy particles can be regulated easily and is more uniformly distributed. The use of the catalyst in electrochemistry is also disclosed.

POLYMERIC ELECTROLUMINESCENT DEVICE AND METHOD FOR PREPARING SAME

The present invention relates to a polymeric electroluminescent device and a method for preparing the same. The device comprises a conductive anode substrate, a hole injecting layer, a hole transportation layer, an electron barrier layer, a light-emitting layer, an electron transportation layer, an electron injecting layer and a cathode laminated in succession, and the material for the electron barrier layer is one selected from lithium fluoride, lithium carbonate, lithium oxide and lithium chloride. By preparing lithium compound as an inorganic electron barrier layer, the polymeric electroluminescent device is made of cheap materials which are easily obtainable, and most importantly has a low work function of approximately 2.0eV, which can form a transition potential barrier of approximately 1.0eV with the light-emitting layer and can limit the recombination of electrons and holes as far as possible, thereby increasing the recombination possibility of excitons and in turn improving the ...

Signal lamp

A first conductive heat dissipation block and a second conductive heat dissipation block are arranged on the face, away from a first insulating layer, of a circuit layer in a spaced mode, and the two ends of a first light-emitting part are electrically connected with the first conductive heat dissipation block and the second conductive heat dissipation block respectively. A light-emitting part in a traditional signal lamp continuously illuminates to generate heat, a light source plate is a heat concentration area, the internal heat cannot be timely led out, and the traditional signal lamp is poor in heat dissipation effect, so that the reliability of the product is reduced, and even the product directly loses efficacy. According to the signal lamp of the scheme, the first conductive heat dissipation block and the second conductive heat dissipation block can play a role in heat dissipation, heat of the first light-emitting part can be rapidly conducted to the light source plate through the ...

ZnO GREEN LUMINESCENT MATERIAL AND ITS PREPARATION

A ZnO green luminescent material and its preparation. The ZnO green luminescent material is prepared by doping a trivalent rare earth ion compound and a Li+compound into zinc oxide material. The method comprises the following steps: ( 1 ) weighing raw material in the stoichiometric ratio of formula ZnO: xA, yLi, (2 ) grinding the raw material, sintering it at 800-1200°C for 2-8h, cooling to the room temperature, and then obtaining the ZnO green luminescent material. The present ZnO green luminescent material doped with trivalent rare earth ion compound and Li+compound has high stability and luminous intensity, and has higher low-pressure electro luminescence efficiency. The method can easily be operated and can be used widely.

STRONTIUM CERATE LUMINOUS MATERIALS, PREPARATION METHODS AND USE THEREOF

A kind of strontium cerate luminous materials, preparation methods and use thereof are provided. The strontium cerate luminous materials have the following chemical formula: Sr2CeO4：xM，which include luminous material Sr2CeO4 and metal nanometer particle M, wherein M is at least one element selected from Ag, Au, Pt and Pd; x is the molar ration of M to luminous material Sr2CeO4 and the value of x is 0 Подробнее

CYCLOPENTADIENEDITHIOPHENE-QUINOXALINE CONJUGATED POLYMER AND PREPARATION METHOD AND USES THEREOF

A cyclopentadienedithiophene-quinoxaline conjugated polymer and a preparation method and uses thereof are disclosed. The preparation method comprises the following steps: reacting diketone compound with o-phenylenediamine compound to obtain dibromide intermediate of quinoxaline heteroarylic ring compound; carrying out Stille-type coupling reaction of the intermediate, with 2,6-di(trimethyltin)-4,4-dialkyl-cyclopentadiene[2,1-b:3,4-b']dithiophene compound, and 2,6-dibromo-4,4-dialkyl-cyclopentadiene[2,1-b:3,4-b']dithiophene compound to obtain the cyclopentadienedithiophene-quinoxaline conjugated polymers. The polymers may be used in the fields of polymer solar cell and the like due to good solubility, high carrier mobility and relatively strong modifiability of chemical property and chemical structure. The preparation method is simple and can be handled and controlled easily.

SILAFLUORENE METALLOPORPHYRIN- BENZENE ORGANIC SEMICONDUCTOR MATERIAL AND PREPARING METHOD AND USES THEREOF

A silafluorene metalloporphyrin- benzene organic semiconductor material and preparing method and uses thereof are provided. The structure of the silafluorene metalloporphyrin- benzene organic semiconductor material is defined by structure formula (I); wherein: n is an integer between 1 and 100, R1, R2, R3, R4 are H, alkyl with C1-C32, phenyl, alkyl benzene or alkoxy benzene containing one or more C1-C32, M is a metal ion. The silafluorene metalloporphyrin- benzene organic semiconductor material has good solubility, high carrier mobility, strong absorbance, wide absorbent range to light and elevated utilization ratio of solar light. Besides, the process of the preparing method is simple and easy to operate and control.

QUINOXALINE CONJUGATED POLYMER CONTAINING FUSED-RING THIOPHEHE UNIT, PREPARATION METHOD AND USES THEREOF

A quinoxaline conjugated polymer containing fused-ring thiophene unit is disclosed, and the general formula of molecular structure thereof is formula (I). In the formula, x+y=2, 1≤ x< 2, n is an integer and 1< n≤ 100, R1, R2 are selected from C1~C20 alkyl, R3, R4 are selected from -H, C1~C20 alkyl, C1~C20 alkoxy, benzene ring group containing alkyl or alkoxy, fluorene group containing alkyl or carbazole group containing alkyl. The polymer is useful in the fields of solar battery and the like.

YTTRIUM OXIDE FLUORESCENT POWDER AND PREPARATION METHOD THEREOF

Fluorescent materials and preparation methods thereof are provided. The fluorescent materials are represented by the general formula: Y2O3 : Re, M, Zn1-xAlxO, wherein Re is at least one selected from Eu and Tb, M is at least one selected from Ag, Au, Pt and Pd in the form of nano-particle, and 0 Подробнее

LUMINESCENT ELEMENT, PRODUCING METHOD THEREOF AND LUMINESCENCE METHOD USING THE SAME

A luminescent element comprises a luminescent substrate and a metal layer formed on the surface of the luminescent substrate. Said metal layer has microstructure. Said luminescent substrate comprises luminescent material, the composition of which is Y3AlxGa5-xO12:Tb, wherein 0≤x≤5. A method for producing said luminescent element and a luminescence method are also provided. The luminescent element has good luminescence homogeneity, high luminescence efficiency, good luminescence stability and simple structure, and can be used in luminescent device with ultrahigh brightness.

LIGHT EMITTING ELEMENT, MANUFACTURING METHOD AND LIGHT EMITTING METHOD THEREOF

A light emitting element comprises a light emitting base which is mounted with a metal layer on the surface. The metal layer has a metal microstructure. The light emitting base comprises the light emitting material of chemical component Y2O3:Eu. Manufacturing method and light emitting method thereof are also provided. The metal layer on the surface of the light emitting base can improve the luminous efficiency, luminance uniformity and stability. Said element is applicable to the super luminance and high speed light emitting device.

LUMINESCENT GLASS, PRODUCING METHOD THEREOF AND LUMINESCENT DEVICE

A luminescent glass comprises glass matrix. Said glass matrix comprises a glass part and a complex part of glass and fluorescent powder, which is embedded in said glass part. Said complex part of glass and fluorescent powder comprises glass material and fluorescent powder dispersed in said glass material. Said fluorescent powder comprises the fluorescent material which can be excited by ultraviolet. A method for producing the luminescent glass and a luminescent device comprising the luminescent glass are also provided. The luminescent glass and the luminescent device have good luminescence reliability, high luminescence stability and long service life. The method can be carried out at a relatively low temperature.

LUMINESCENT ELEMENT, PRODUCING METHOD THEREOF AND LUMINESCENCE METHOD USING THE SAME

A luminescent element comprises a luminescent substrate and a metal layer formed on the surface of the luminescent substrate. Said metal layer has microstructure. Said luminescent substrate comprises luminescent material, the composition of which is Zn2SiO4: Mn. A method for producing said luminescent element and a luminescence method are also provided. The luminescent element has good luminescence homogeneity, high luminescence efficiency, good luminescence stability and simple structure, and can be used in luminescent device with ultrahigh brightness.

BISMUTH ION SENSITIZED RARE EARTH GERMANATE LUMINESCENCE MATERIALS AND PREPARATION METHODS THEREOF

Bismuth ion sensitized rare earth germanate luminescence materials and preparation methods thereof are disclosed. The luminescent materials are the compounds of the following general formula (Y1-x-y-zAxBiyLnz)2GeO5. The preparation methods comprise: using oxides, carbonates, oxalates, acetates, nitrates or halides of Y, A, Bi, Ln and Ge as raw materials, wherein A is one of Gd, Lu, Sc and La, and Ln is at least one of Tm, Ho, Sm, Tb, Eu and Dy, homogeneously grinding the raw materials, sintering at 1300-1500℃ for 6-24 h, and then cooling them to room temperature to obtain the bismuth ion sensitized rare earth germanate luminescence materials. The bismuth ion sensitized rare earth germanate luminescence materials of the present invention may further increase luminous performance of the luminescence materials and their preparing methods are easy to carry out and the costs of such methods are low.

PORPHYRIN COPOLYMER CONTAINING THIENOTHIADIAZOLE UNITS, PREPARATION METHOD AND USES THEREOF

A porphyrin copolymer containing thienothiadiazole units, preparation method and uses thereof are disclosed. The copolymer has the structural formula (I), wherein: R1, R2, R3, R4 are same or different and each represents a C1-C32 alkyl; n is an integer of 1-100. The copolymer comprises fluorene units, thienothiadiazole units and porphyrin units, which enhance the density of electron cloud in copolymer skeleton, make the band-gap of the copolymer become narrow, thereby broaden the spectral response range of the coplolymer, and improve the photoelectric transformation efficiency.

METHOD FOR PREPARING GRAPHENE PAPER

Provided is a method for preparing graphene paper, comprising the following steps: placing a clean substrate into a reaction chamber, then introducing protective gas into the reaction chamber to purge out air in the reaction chamber; heating the substrate at a temperature of 800-1100 ℃; continuously introducing carbonaceous material into the reaction chamber for 100-300 min; stopping the introduction of carbonaceous material into the reaction chamber, and at the same time stopping heating the substrate, then cooling the substrate at a rate of 5-30 ℃/min; finally, stopping introducing the protective gas, thereby obtaining graphene paper on the surface of substrate.

MULTI-ELEMENTS-DOPED ZINC OXIDE FILM, MANUFACTURING METHOD AND APPLICATION THEREOF

The invention relates to the semiconductor material manufacturing technical field. A multi-elements-doped zinc oxide film as well as manufacturing method and application in photo-electric devices thereof are provided. The manufacturing method comprises the following steps: (1) mixing the powder of Ga2O3, Al2O3, SiO2 and ZnO according to the following percentage by mass: 0.5％~10 % of Ga2O3, 0.5%~5 % of Al2O3, 0.5％~1.5 % of SiO2, and the residue of ZnO; (2)sintering the powder mixture as target material; (3) putting the target material into a magnetic sputtering chamber, evacuating, setting-up work pressure of 0.2Pa~5Pa, introducing mixed gas of inert gas and hydrogen with a flow rate of 15sccm~25sccm, adopting a sputtering power of 40W~200W, and sputtering on the substrate to obtain the multi-elements-doped zinc oxide film.

CO-POLYMER OF 2,7-CARBAZOLE AND DITHIENYL THIAZOLOTHIAZOLE, AND METHOD FOR PREPARING SAME AND SOLAR BATTERY CONTAINING SAME

Provided are a co-polymer of formula (I) of 2,7-carbazole and dithienyl thiazolothiazole, a method for preparing same, and a solar battery containing same. The structural formula of the co-polymer of 2,7-carbazole and dithienyl thiazolothiazole is as shown by formula (I), wherein both R1 and R2 are C1-C20 alkyl groups, and n is an integer of 10-100. The co-polymer of the present invention has a novel structure, a good dissolving property, an excellent film-forming property, and a high energy conversion efficiency, and can be used as the material for a solar battery. Also provided are the method for preparing the co-polymer and the solar battery containing same. The preparation method uses raw materials widely available and has a simple synthesis route.

BORATE LUMINESCENT MATERIALS, PREPARATION METHODS AND USES THEREOF

Borate luminescent materials, preparation methods and uses thereof are provided. The luminescent materials are represented by the general formula: (In1-xRex)BO3:zM, wherein Re is one or two selected from Tm, Tb, Eu, Sm, Gd, Dy and Ce, M is one or two selected from metal nano particles of Au, Ag, Pt or Pd, 0 Подробнее

ZINC ALUMINATE MATERIAL AND METHOD FOR PREPARING SAME

The present invention provides a zinc aluminate fluorescent material. A molecular formula is Ζn1-xΑl2O4:Μnx@Al2O3@Μy. M is selected from one of Ag, Au, Pt, Pd, and Cu metal nanoparticles; 0 Подробнее

CORE-SHELL STRUCTURED SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

A core-shell structured silicate luminescent material and a preparation method therefor. The molecular formula of the luminescent material is: MLn1-xSiO4:xRE@SiO2, where @ represents a coating, where M is one or two elements among Li, Na, and K, where Ln is one or two elements among Y, Sc, Lu, and La, where the value of x is 0 ≤ x ≤ 0.6, and where RE is one, two, or three elements among Tb, Gd, Sm, Eu, Dy, Ce, and Tm. The compositions of the luminescent material are all chemicals of increased chemical stability, and, when subjected to electron beam bombardment for an extended period, provide a stable matrix and do not decompose easily.

CONDUCTIVE POLYMER MATERIALS AND PREPARING METHOD AND USES THEREOF

A conductive polymer material and preparing method and uses thereof are provided. The conductive polymer material comprises conductive polymer and fluorinated graphene doping thereof. The weight ratio of the conductive polymer to the fluorinated graphene is 1:0.05-1. The conductive polymer is one of polythiophene or its derivatives, polypyrrole or its derivatives, and polyaniline or its derivatives. The cycle stability of the conductive polymer material is greatly enhanced for doping of the fluorinated graphene, and the conductive polymer contributes to the good capacitance properties. The preparing method can be operated simply with cheaper cost and lower request for equipments, and is suitable for industrial production.

OXYHALIDE LUMINESCENT MATERIAL DOPED WITH RARE EARTH CONTAINING METAL PARTICLE AND PRODUCTION METHOD THEREOF

An oxyhalide luminescent material doped with rare earth containing metal particles is provided. The formula thereof is Re'1-xRe''xOX:yM, in which Re' is the first rare earth element, Re'' is the second rare earth element, X is F, Cl or Br, M is metal nanoparticles, x is 0.001-0.15, and y is 5×10-5-2×10-3. A method for producing the luminescent material is also provided. By virtue of metal particles introduced into the oxyhalide luminescent material doped with rare earth and the surface plasma resonance effect of the metal surface, the luminescence intensity of the oxyhalide luminescent material is improved. The good stability, uniform appearance and excellent luminescence intensity of the luminescent material ensure its application in field emission devices. The production method has advantages of simplicity in operating, pollution-free, easy control, less demanding for equipment and suitability for industrialized production. .

LUMINESCENT MATERIAL OF GALLIUM INDIUM OXIDE AND PREPARATION METHOD THEREOF

A luminescent material of gallium indium oxide and preparation method thereof are provided. The luminescent material of gallium indium oxide has a chemical formula of GaInO3:zM, wherein, M is the metal nano-particle which is selected from one or two of Ag, Au, Pt and Pd, and z meets the condition of 1×10-5≤z≤0.02. The method for preparing the luminescent material comprises the following steps: (1) preparing the mixed solution containing indium ion and gallium ion; (2) adding chelator and crosslinking agent into the mixed solution to obtain a chelate solution; (3) adding M nano-particles sol which is surface treated into the chelate solution, heating by water-bath and stirring, drying to obtain the precursor of the luminescent material; (4) preheating the precursor, cooling, grinding, calcining, then cooling and grinding again to obtain the luminescent material.

FIELD EMISSION DEVICE FOR EMITTING WHITE LIGHT

A field emission device for emitting white light is provided. The device includes a cathode plate assembly (1), an anode plate assembly (2) which is opposite to and spaced from the cathode plate assembly (1), and a supporting body (3) for tight coupling the cathode plate assembly (1) with the anode plate assembly (2). The anode plate assembly (2) includes a transparent substrate (203) which can emit yellow light when excited by blue light. An anode (202) and a blue cathode ray luminescent material layer (201) are provided on the surface of the transparent substrate (203). The blue cathode ray luminescent material layer (201) contains blue cathode ray luminescent material.

HALO-BORATE FLUORESCENT MATERIALS AND PREPARATION METHODS THEREOF

Halo-borate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: Ca2-xBO3Cl1-yFy:xEu2+, zM0, wherein M0 is selected from one of Ag, Au, Pt, Pd or Cu metal nano-particles; 0.001≤x≤0.1，0≤y≤0.2, 0 Подробнее

LUMINESCENT GLASS, PRODUCING METHOD THEREOF AND LUMINESCENT DEVICE

A luminescent glass comprises glass matrix. Said glass matrix comprises a glass part and a complex part of glass and fluorescent powder, which is embedded in said glass part. Said complex part of glass and fluorescent powder comprises glass material and fluorescent powder dispersed in said glass material. Said fluorescent powder is of nitrides or nitrogen oxides series. A method for producing the luminescent glass and a luminescent device comprising the luminescent glass are also provided. The luminescent glass and the luminescent device have good luminescence reliability, high luminescence stability and long service life. The method can be carried out at a relatively low temperature.

FULL-COLOR LIGHT-EMITTING MATERIAL AND PREPARATION METHOD THEREOF

A full-color light-emitting material and preparation method thereof are provided. A light-emitting material is following general formula compound (Y1-x-y-zAxByCz)2GeO5, wherein 0 Подробнее

COMPOSITE MATERIAL OF CARBON-COATED GRAPHENE OXIDE, PREPARATION METHOD AND APPLICATION THEREOF

A composite material of carbon-coated graphene oxide, its preparation method and application are provided. The method for preparing the composite material comprises the following steps: obtaining graphene oxide; mixing the said graphene oxide and the source of organic carbon according to the mass ratio of 1-10:1 in water to form a mixed solution; making the mixed solution react hydrothermally under the condition of 100～250℃, cooling, solid-liquid separating, washing, and drying to attain the composite material. The advantages of the preparation method are simple process, low energy consumption, low cost, no pollution and suitable for industrial production. The advantages of composite material are stable structural performance, high electric conductivity. Lithium ion battery and/or capacitor have/has high power density while the composite material is used to prepare the anode material of lithium ion battery and/or capacitor.

FLEXIBLE ORGANIC ELECTROLUMINESCENT DEVICE AND MANUFACTURING METHOD THEREOF

A flexible organic electroluminescent device and a manufacturing method thereof are provided. The device comprises a substrate (101), an anode layer (103), a hole-injecting layer (104), a hole-transporting layer (105), a light-emitting layer (106), an electron-transporting layer (107), an electron-injecting layer (108), and a cathode layer (109), which are stacked in order. The device further comprises a buffer layer (102) between the substrate (101) and the anode layer (103). The anode layer (103) is a multilayer composite structure, which comprises ZnS/Ag/MoO3. The bonding force between the anode layer (103) and the substrate (101) is enhanced by inserting buffer layer (102). The device has a good bending endurance performance, a stable luminous property and a high light emitting efficiency.

BENZODITHIOPHENE BASED COPOLYMER CONTAINING PYRIDINO [2,1,3] THIADIAZOLE UNITS AND PREPARING METHOD AND APPLICATIONS THEREOF

The present invention relates to a benzodithiophene based copolymer containing pyridino [2,1,3] thiadiazole units and a preparing method and applications thereof. The polymer has a structural formula (I), wherein R1 and R2 are respectively selected from H or alkyl groups of C1 to C16; R3 and R4 are respectively selected from H, alkyl groups of C1 to C16, alkoxy groups of C1 to C16, or thiophene groups substituted by alkyl groups of C1 to C16; X is N and Y is CH, or X is CH and Y is N; and n is a natural number of 7 to 80. Applications of the benzodithiophene based copolymer containing pyridino [2,1,3] thiadiazole units in polymer solar cells, polymer organic light-emitting, polymer organic field effect transistors, polymer organic optical storage, polymer organic nonlinear materials or polymer organic laser are also provided.

GREEN LIGHT-EMITTING GLASS AND METHOD OF PREPARING THE SAME

A green light-emitting glass and the method of preparing the same are provided. The components with parts by mole of the green light-emitting glass are: alkali oxide 25-40, Y2O3 0.01-15, SiO2 40-70, Tb2O3 0.01-15. The method of preparing said glass includes mixing alkali salt with Y2O3, SiO2 and Tb4O7, firing the mixture at 1200℃-1500℃ for 1-5 hours, cooling to the room temperature and annealing in reducing atmosphere at 600℃-1200℃ for 1-20 hours. A green light-emitting glass with good transparence, high uniformity, easily being made into big bulk and high stability is provided. The process of capsulation of parts by using said glass is simple. And a method of preparing said glass with simple process and low cost is provided.

OXIDE LUMINESCENT MATERIALS AND PREPARATION METHODS THEREOF

Oxide luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the general formula: aRe2O3•bSiO2•cEu2O3•dM, wherein Re is at least one selected from Gd and Y, M is selected from metal nano-particles, (a+c):b=0.5~5, d:b=5×10-5~5×10-3, c:(a+c)=0.02~0.1. Compared to the oxide luminescent materials in the art, the said luminescent materials have higher luminescent intensity.

BENZODITHIOPHENE ORGANIC SEMICONDUCTIVE MATERIAL, PREPARATION METHOD AND USE THEREOF

Disclosed is a benzodithiophene organic semiconductive material represented by the following formula (P), which belongs to the field of photoelectric material. In formula (P), x+y=2, 1≤x＜2, 0＜y≤1, 1＜n≤100, R1 or R2 is C1-C20 alkyl, R3 is C1-C20 alkyl, R4 or R5 is hydrogen, phenyl, C1-C20 alkyl or phenyl substituted by C1-C20 alkoxyl. The preparation method of said benzodithiophene organic semiconductive material and the use thereof are also disclosed.

POLYMER CONTAINING UNITS OF FLUORENE, ANTHRACENE AND BENZOTHIADIAZOLE, PREPARATION METHOD AND USES THEREOF

A polymer containing units of fluorene, anthracene and benzothiadiazole has a structure as formula (I), which is obtained by adding 2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolanyl)-9,9-dialkylfluorene, 9,10-dibromoanthracene or derivatives thereof, and 4,7-bis(5'-bromo-2'-thienyl)-2,1,3-benzothiadiazole or derivatives thereof into a solvent, and carrying out a Suzuki coupling reaction after adding a catalyst and an alkali solution. The polymer containing units of fluorene, anthracene and benzothiadiazole has a relatively low energy gap, a relatively high mobility and a broad range of absorption spectrum, and has a wide application prospect in the field of photoelectricity.

PT/GRAPHENE CATALYST, PREPARATION METHOD AND USE THEREOF

A Pt/graphene catalyst comprises graphene as a support, and Pt loaded on the graphene. The use of graphene as support for the catalyst takes advantage of the ion effect and two-dimensional ductility of graphene, which increases the stability of the catalyst. The catalyst is prepared by a reverse micelles system method which provides a micro-environment (i.e. water-in-oil microemulsion), so that the particle size of the resulting nano-particles can be regulated easily and is more uniformly distributed. The use of the catalyst in electrochemistry is also disclosed.

CONJUGATED POLYMER CONTAINING DITHIENOPYRROLE-QUINOXALINE, PREPARATION METHOD AND USES THEREOF

A conjugated polymer containing dithienopyrrole-quinoxaline, the preparation method and uses thereof are disclosed. The structural formula of the polymer is general formula (I) as follows: wherein, x + y=1, 0 Подробнее

QUINOID THIOPHENE ORGANIC PHOTOELECTRIC MATERIAL, METHOD FOR ITS PREPARATION AND APPLICATION THEREOF

Quinoid thiophene organic photoelectric material of formula (1), method for its preparation and application thereof are provided, wherein R1, R2,R3,R4, R5 and R6 are the same or different, and represent H, C1-C30 alkyl or alkoxy, m and n are the same or different, and represent integers between 1 and 20. The quinoid thiophene organic photoelectric material of formula (1) has wide spectral response, good thermal stability and environmental stability.

COPOLYMER CONTAINING FLUORENYLPORPHYRIN-BENZENE, PREPARATION METHOD AND USE THEREOF

A copolymer containing fluorenylporphyrin-benzene is disclosed, which comprises a copolymer represented by formula (1), in which R1, R2, R3 and R4, which may be identical or different, are C1-C16 alkyl, and n is an integer of 1 to 100. The preparation method of said copolymer containing fluorenylporphyrin-benzene and the use thereof in manufacture of solar batteries components, organic field effect transistors, organic electroluminescent components, organic optical storage components, organic nonlinear materials or organic laser components are also disclosed.

GLASS SUBSTRATE LIGHT EMITTING ELEMENT AND METHODS FOR MANUFACTURING AND LUMINESCENCE THEREOF

A light emitting element (10) is provided, which includes luminescent glass (13), a metal layer (14) formed on the surface of the luminescent glass (13), wherein periodic micro and nano structure is provided on the metal layer (14), and the chemical constituent of the luminescent glass (13) is rare-earth-ion-doped silicate. Further provided are manufacturing and luminescence methods of the light emitting element. The luminescent glass (13) in the present invention includes a metal layer (14) with periodic micro and nano structure, which can enhance the luminous efficiency and the luminous homogeneity and stability of the luminescent glass, and can be used on superluminescent and high-speed operating light emitting devices.

LUMINESCENT GLASS ELEMENT, THE PREPARING METHOD THEREOF AND THE METHOD FOR LUMINESCENCE USING THE ELEMENT

A luminescent glass element comprising a luminescent glass body is provided. A metal film with metal micro structure is formed on the surface of the luminescent glass body having a composition of aM2O•bY2O3•cSiO2•dTm2O3, wherein M is alkali metal, a, b, c and d stand for molar quantities, a is 25-60, b is 1-30, c is 20-70 and d is 0.001-10. A method of preparing the luminescent glass element and a method for luminescence using the element are also provided. The luminescent glass body in the invention has a metal film, which can raising luminous efficiency of the luminescent glass body. The element can be used in light emitting device with ultra high brightness and high speed.

ORGANIC LIGHT-EMITTING DEVICE AND PREPARING METHOD THEREOF

An organic light-emitting device comprises a substrate, an anode, a functional layer, a cathode, a packaging layer and a packaging cover which are sequentially laminated. The substrate and the packaging cover form a closed space, and the anode, the functional layer, the cathode and the packaging layer are accommodated in the closed space. The packaging layer sequentially comprises a protection layer, an oxygen, nitrogen and fluorine compound film, an organic barrier layer, a moisture absorption layer and a heat dissipation layer. The oxygen, nitrogen and fluorine compound film is a nitride film doped with oxides and fluorides. The present invention also provides a method for preparing the organic light-emitting device. The method can effectively reduce erosion of moisture and oxygen to the organic light-emitting device, so as to effectively protect the organic functional material and electrodes of the device, and significantly improve the service life of the organic light-emitting device ...

STANNATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

A stannate luminescent material, having the general molecular formula of Ln2-xEuxSn2O7@SnO2@My, wherein Ln is selected from one of Gd, Y and La; M is selected from at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; 0＜x＜1.5; y is the ratio between the molar mass of M and the sum of the molar mass of Sn in Ln2-xEuxSn2O7 and the molar mass of Sn in SnO2@My, 0＜y≤1×10-2; and @ represents coating; the stannate luminescent material uses M as a core, SnO2 as an inner shell, and Ln2-xEuxSn2O7 as an outer shell. The stannate luminescent material is formed into a core-shell structure through the coating of at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles. The metallic nanoparticles improve the internal quantum efficiency of the luminescent material, thus enabling the stannate luminescent material to have a relatively high luminous intensity.

GRAPHENE RAMIFICATION-CARBON NANOTUBE COMPOSITE MATERIAL AND PREPARATION METHOD THEREOF

A graphene ramification-carbon nanotube composite material and preparation method thereof which includes the following steps: step one，adding the graphene ramification and carbon nanotubes to alcohols dispersant and dispersing for 120-150 minutes by ultrasonic to form a stable suspension; step two，filtrating the suspension, drying the solid substance and cooling it to room temperature to obtain the graphene ramification-carbon nanotube composite material. In the composite material produced by the method, the graphene ramification and carbon nanotubes composite form an intermixing and interveining structure to avoid the aggregation and stacking of the graphene ramification, so as to enable complementarities in structure and function of the graphene ramification and carbon nanotubes and improve the conductive property of the composite material.

LUMINESCENT ELEMENT, PRODUCING METHOD THEREOF AND LUMINESCENCE METHOD USING THE SAME

A luminescent element comprises a luminescent glass and a metal layer formed on the surface of the luminescent glass. Said metal layer has microstructure. The composition of said luminescent glass is bY2O3·cAl2O3·dB2O3·yTb2O3, wherein b, c, d and y are, by mol part, 7-15, 20-40, 40-60 and 0.1-3 respectively. A method for producing said luminescent element and a luminescence method are also provided. The luminescent element has good luminescence homogeneity, high luminescence efficiency, good luminescence stability and simple structure, and can be used in luminescent device with ultrahigh brightness.

FLUORENE CONTAINING ORGANIC SEMICONDUCTOR MATERIAL, PREPARATION METHOD AND USE THEREOF

A fluorene containing organic semiconductor material, preparation method and use thereof are provided. Said fluorene organic semiconductor material has the following formula (P), wherein n is integer of 1-100; m is integer of 1-20; x and y are positive real number, and x + y = 1; R1 and R2 are respectively H, F, CN, C1-C40 linear or branched alkyl or alkoxyl, aryl or heteroaryl groups; R3 is H, C1-C20 alkyl. Said fluorene organic semiconductor material has high carrier mobility, strong light absorbency and broad light absorption region, which improves utilization ratio to the sunlight.

SILICATE LUMINESCENT MATERIALS DOPED WITH METAL NANO PARTICLES AND PREPARATION METHODS THEREFOR

The invention belongs to the field of luminescent materials. Disclosed are silicate luminescent materials doped with metal nano particles and preparation methods therefor. The silicate luminescent materials doped with metal nano particles are represented by the chemical formula: MLn1-xSiO4:xRE,yA, wherein M is one or two elements selected from Li, Na and K; Ln is one or two elements selected from Y, Sc, La and Lu; A is a metal nano particle selected from Ag, Au, Pt, Pd and Cu; RE is one or two ions selected from Eu, Gd, Tb, Tm, Sm, Ce and Dy; 0 Подробнее

BOROSILICATE LUMINESCENT MATERIAL AND PREPARING METHOD THEREOF

Provided are a borosilicate luminescent material and a preparing method thereof. The borosilicate luminescent material has a chemical formula of aM2O∙bLn2O3∙cAl2O3∙dR2O3∙eSiO2∙fCeO2∙gTb2O3, wherein M is alkali metal or alkaline earth metal; Ln is one or two elements selected from the group consisting of elements Y and Gd; R is one or two elements selected from the group consisting of elements B and P; a, b, c, d, e, f, and g are molar fractions, and 6 ≤ a ≤ 20, 3 ≤ b ≤ 12, 20 ≤ c ≤ 30, 32 ≤ d ≤ 45, 0 ≤ e ≤ 12, 0.01 ≤ f ≤ 1, 0.05 ≤ g ≤ 1.5. The preparing method comprises the following steps: 1) selecting source compounds of above elements; 2) mixing and grinding the source compounds to obtain a mixture; 3) presintering the mixture; then grinding the same; 4) sintering under reducing atmosphere, and cooling, thereby obtaining the borosilicate luminescent material.

TERBIUM DOPED PHOSPHATE-BASED GREEN LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

Terbium doped phosphate-based green luminescent material and preparation method thereof are provided. The chemical formula of the material is M3RE1-XTbX（PO4）3, wherein, M is alkaline-earth metals, RE is rare-earth elements, X is 0.001-1. The preparation method of the material includes the following steps: weighing the source compounds of alkaline-earth metal ions, phosphate radical ions (PO43+), rare-earth metal ions and Tb3＋ based on the molar ratios of the elements in the chemical formula of M3RE1-XTbX（PO4）3, wherein,the source compound of (PO4)3+ is over 10-30% by molar ratio; grinding and mixing all the source compounds uniformly; pretreating the obtained mixture by sintering, and then cooling; taking out the sinter and grinding, then calcining the product having been grinded in a reducing atmosphere, cooling and obtaining the terbium doped phosphate-based green luminescent material. This material has short afterglow time, high luminescent intensity and broad application prospect.

DOUBLE-CENTER QUATERNARY AMMONIUM SALT ION LIQUID, PREPARATION METHOD THEREFOR AND USE THEREOF

A double-center quaternary ammonium salt ion liquid having the structural formula (I), wherein n = 2, 3 or 6, Y- is BF4-, PF6-, (FSO2)2N-, (CF3SO2)2N- or CF3SO3-. Also provided is a method for preparing a double-center quaternary ammonium salt ion liquid. The double-center quaternary ammonium salt ion liquid has high stability, and thus an electrolyte containing the double-center quaternary ammonium salt ion liquid has a high decomposition voltage.

LUMINESCENT BORATE GLASS AND PREPARATION METHOD THEREOF

Luminescent borate glass and the preparation method thereof are provided. The composition of luminescent borate glass is aM2O·bY2O3·cAl2O3·dB2O3·eSiO2·xCeO2·yTb2O3, wherein M represents at least one of Na, K and Li, and a, b, c, d, e, x and y are, by mol part, 0-20, 7-15, 20-40, 40-60, 0-15, 0.1-1.5 and 0.1-3 respectively. The preparation method comprises: weighing the raw materials according to the composition of the luminescent borate glass; melting the raw materials and then cooling and moulding; thermally treating the moulded glass to obtain the luminescent borate glass. The luminescent borate glass has good light transmittance, high homogeneity and high stability. It is suitable for using as luminescent medium material ...

TUNGSTATE FLUORESCENT MATERIALS AND PREPARATION METHODS THEREOF

Tungstate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: RWO4:xM, wherein R is selected from one or two of Ca、Sr or Ba, M is selected from one or two of Ag, Au, Pt or Pd metal nano-particles; 0< x≤1×10-3. The said luminescent materials have excellent chemical stability and high luminous intensity. The said preparation methods have simple technique, no pollution, manageable process conditions and low equipment requirement, and are beneficial to industry production.

HALOSILICATE LUMINESCENT MATERIALS AND PREPARATION METHODS AND USES THEREOF

Halosilicate luminescent materials and preparation methods thereof are provided. The luminescent materials are represented by the general formula: (N1-a-bEuaMnb)10Si6O21Cl2 : xM, wherein M is at least one selected from Ag, Au, Pt and Pd, N is at least one selected from Mg, Ca, Sr and Ba, 0 Подробнее

FLUORINATED GRAPHENE OXIDE AND PREPARATION METHOD THEREOF

Provided are a fluorinated graphene oxide and a preparation method thereof. In the fluorinated graphene oxide, the mass percent of fluorine is 0.5 % < F % < 40 %; the mass percent of carbon is 50 % < C % < 80 %, and the mass percent of oxygen is 0.5 % < O % < 30 %. The preparation method comprises the following steps: providing graphite; preparing graphene oxide by using the graphite; and subjecting the graphene oxide to reacting with a mixed gas of N2 and F2 at 20 - 200 ℃ for 0.5 - 24 h, to prepare the fluorinated graphene oxide. The preparation method is simple, has fewer steps, and has better prospect of application.

TOP-EMITTING ORGANIC LIGHT-EMITTING DEVICE AND METHOD FOR PREPARING THE SAME

A top-emitting organic light-emitting device (OLED) and a method for preparing the same are provided. The top-emitting organic light-emitting device comprises, stacked in sequence, a substrate (101), an anode layer (102), a self-assembled modification monolayer (103), a hole-transport layer (104), a light-emitting layer (105), an electron-transport layer (106), an electron-injection layer (107) and a cathode layer (108). The self-assembled modification monolayer (103) is formed of alkanethiol having a general formula CH3(CH2)n-SH. Utilizing the self-assembled modification monolayer (103), the work-function of the anode layer (102) is increased, the hole-injection barrier between the anode layer (102) and the hole-transport layer (104) is reduced, the start-voltage of the OLED is decreased, and the luminous efficiency of the OLED is improved.

GRAPHENE FILM, PREPARATION METHOD AND APPLICATION THEREOF

Disclosed is a preparation method of graphene film. The method comprises the following steps: providing a clean substrate, followed by positively charged processing of the substrate surface; preparing suspension of graphene with negative charges on surface and the suspension of graphene with positive charges on surface respectively; immersing the surface-treated substrate into the suspension of graphene with negative charges on surface for 5-20 minutes, then taking the substrate out, washing, drying, and then immersing it into the suspension of graphene with positive charges on surface for 5-20 minutes, then taking the substrate out, washing, drying, so alternately repeated 10 to 50 times to obtain a graphene film precursor, and finally reducing the graphene film precursor at 500-1000 ℃ to obtain the grapheme film. The preparation method of graphene film provided by this invention is simple, the thickness of the film is able to control easily, and the graphene film provided by this invention ...

Anti-explosion floodlight

The invention is suitable for the field of floodlight structures, and provides an anti-explosion floodlight which comprises a shell component, a light source component and a driving component, the shell component comprises a shell assembly and an end cover, the end cover is connected to the end of the shell assembly, a safety increasing cavity is defined by the end cover and the shell assembly, and the light source component and the driving component are both arranged in the safety increasing cavity; the explosion-proof floodlight comprises a light sensing probe, at least one end cover is provided with a probe mounting hole, the light sensing probe penetrates through the probe mounting hole, and a sealing structure is arranged between the probe mounting hole and the light sensing probe. According to the anti-explosion floodlight, the sealing structure is arranged between the probe mounting hole and the light sensing probe, so that the sealing performance of the safety increasing cavity ...

ALUMINATE FLUORESCENT MATERIALS AND PREPARATION METHODS THEREOF

Aluminate fluorescent materials and preparation methods thereof are provided. The fluorescent materials include a core and a shell coating the core. The core is metal nano particles, the shell is fluorescent powder represented by the following chemical formula: (Ce1-x, Tbx)MgAl11O19, wherein 0 Подробнее

ORGANIC SEMICONDUCTOR MATERIALS, PREPARATION METHODS AND APPLICATIONS THEREOF

Disclosed are organic semiconductor materials having the general formula (I), wherein R1, R2, R3, R4, R5, R6 and R7 are C1－C20 alkyl, n is an integer greater than 1 and less than or equal to 100. The preparation methods and applications of said organic semiconductor materials are also disclosed. Said organic semiconductor materials possess improved stability and photoelectric conversion efficiency.

LUMINESCENT GLASS, PRODUCING METHOD THEREOF AND LUMINESCENT DEVICE

A luminescent glass comprises glass matrix. Said glass matrix comprises a glass part and a complex part of glass and fluorescent powder, which is embedded in said glass part. Said complex part of glass and fluorescent powder comprises glass material and fluorescent powder dispersed in said glass material. Said fluorescent powder is of cerium-doped terbium aluminum garnet series. A method for producing the luminescent glass and a luminescent device comprising the luminescent glass are also provided. The luminescent glass and the luminescent device have good luminescence reliability, high luminescence stability and long service life. The method can be carried out at a relatively low temperature.

METHOD FOR PREPARING POLYACRYLONITRILE-METHYL METHACRYLATE GEL ELECTROLYTE FILM, CORRESPONDING ELECTROLYTE AND PREPARATION METHOD THEREOF

Provided is a method for preparing polyacrylonitrile-methyl methacrylate gel electrolyte film. The method comprises the following steps: dissolving polyacrylonitrile-methyl methacrylate in an organic solvent with the mass 1 to 3 times as high as that of polyacrylonitrile-methyl methacrylate, adding MCM-48 mesoporous molecular sieves with the mass 0.05 to 0.3 times as high as that of polyacrylonitrile-methyl methacrylate, heating the mixture to 30-50 ℃, stirring them uniformly, and obtaining a slurry containing MCM-48 mesoporous molecular sieve; coating the slurry onto the substrate, vacuum drying, and obtaining a mesoporous molecular sieve MCM-48 modified polyacrylonitrile-methyl methacrylate gel electrolyte film. In addition, the corresponding electrolyte and its preparation method are also provided. The polyacrylonitrile- methyl methacrylate gel electrolyte modified by mesoporous molecular sieve MCM-48 has high electrical conductivity and good security. The preparation method has simple ...

ORGANIC LIGHT-EMITTING DEVICE AND PREPARING METHOD THEREOF

An organic light-emitting device and a preparing method thereof, comprising a substrate, an anode, a functional layer, and a cathode which are sequentially laminated. The functional layer comprises a hole transmission layer. The hole transmission layer has a multi-layer structure comprising hole transmission main layers and electron acceptor layers that are alternately superimposed. The hole transmission main layers are provided at two ends of the hole transmission layer, and the HOMO energy level of the hole transmission main layer is higher than the LUMO energy level of the adjacent electron acceptor layer. The structure improves the light-emitting efficiency of the organic light-emitting device.

ORGANIC ELECTROLUMINESCENT DEVICE AND CONDUCTIVE BASE THEREOF

An organic electroluminescent device and a conductive base thereof are provided. Said conductive base includes a glass substrate, an indium tin oxide (ITO) layer and a metal oxide layer located between said glass substrate and said ITO layer. The refractive index of said metal oxide layer ranges between that of said glass substrate and said ITO layer. Due to that the metal oxide layer, the refractive index of which ranges between that of the glass substrate and the ITO layer, is inserted into said conductive base, when the light extracts between the ITO/metal oxide layer and the metal oxide layer/glass, the critical angle of total reflection increases compared with that without the inserted metal oxide layer. Most part of light extracts out of the interface after refraction, and only small part of light is totally reflected, thus the light extraction enhances.

SILICATE LUMINESCENT MATERIAL AND PRODUCTION METHOD THEREOF

A silicate luminescent material and the production method thereof are provided. The chemical formula of the silicate luminescent material is Re4-xTbxMg3SiO13, wherein Re is at least one element selected from the group consisting of Y, Gd, La, Lu and Sc, and 0.05≤x≤1. The silicate luminescent material has short afterglow of 2.13ms, and it can emit strong green light under the vacuum ultraviolet excitation. Additionally, the silicate luminescent material has stable physical and chemical properties. The production method for producing the silicate luminescent material is simple and cost-efficient.

PHOTOVOLTAIC POLYMER MATERIAL, PREPARATION METHOD AND USE THEREOF

A photovoltaic polymer material, preparation method and use thereof are provided. Said photovoltaic polymer material has the following formula (I). The photovoltaic polymer material has the thiophene-phenylene-thiophene(TPT) derivative as the basic structure unit, and by the introduction of D1 and D2 structures to modify the TPT, and the photovoltaic polymer material has the characters of higher hole mobility, narrower band gap and broader absorption region.

ALUMINATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

The present invention provides an aluminate luminescent material, a general molecular formula thereof being Y3-xAl5O12:Lnx,My, wherein Ln is selected from at least one of Ce and Tb; M is selected from at least one of Ag, Au, Pt, Pd, and Cu nano particles; 0 Подробнее

Rotating wheel dehumidification heat recovery system and control method thereof

The invention relates to the technical field of rotating wheel dehumidification heat recovery systems, particularly provides a rotating wheel dehumidification heat recovery system and a control method thereof, and aims to solve the problem that the cost of manufacturers is increased due to low waste heat utilization rate of a rotating wheel dehumidification system. Therefore, the rotating wheel dehumidification heat recovery system comprises a first rotating wheel, a second rotating wheel and a waste heat recoverer, a first heat pump unit comprises a first evaporator and a first condenser, a second heat pump unit comprises a second evaporator and a second condenser, and the second evaporator can exchange heat with the waste heat recoverer. The dehumidification area of the first rotating wheel, the first evaporator and the dehumidification area of the second rotating wheel are sequentially arranged in the dehumidification air duct in the wind direction, and the first condenser, the second ...

COLOR-ADJUSTABLE LUMINESCENT POWDER AND PREPARATION METHOD THEREOF

A color-adjustable luminescent powder is provided, the chemical general formula of which is (YaGdbEuc)2O3·xZn(1-m)AlmO, wherein 0 ≤ a ≤ 0.99, 0 ≤ b ≤ 0.99, 0.01 ≤ c ≤ 0.08, provided that a+b+c=1 and a and b are not 0 simultaneously; x is the molar ratio between Zn(1-m)AlmO and (YaGdbEuc)2O3, 0.01 ≤ x ≤ 0.20，and 0.001 ≤ m ≤ 0.05. A preparation method of the above luminescent powder is also provided, which comprises the following steps: adding an aqueous alcohol solution containing a complexing agent, and a surfactant to a mixed solution containing needed components to obtain a precursor solution, then aging the precursor solution, undergoing calcination treatment and cooling down to obtain the said luminescent powder.

HALO-SILICATE LUMINESCENT MATERIALS AND PREPARATION METHODS THEREOF

Halo-silicate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: (Ba1-yAy)2-xSiO4:Eux, Dz@Mn, wherein A is selected from one or two of Sr, Ca, Mg or Zn, D is selected from one of F or Cl, M is selected from at least one of Ag, Au, Pt, Pd or Cu metal nano-particles; @ is coating; (Ba1-yAy)2-xSiO4:Eux, Dz is shell; 0.001 Подробнее

DOUBLE CORE-SHELL FLUORESCENT MATERIALS AND PREPARATION METHODS THEREOF

Double core-shell fluorescent materials and preparation methods thereof are provided. The double core-shell fluorescent materials include inner core, inner shell coating the inner core and outer shell coating the said inner shell. The inner core is metal particle and the chemical constitution of the inner shell is silicon dioxide. The outer shell is fluorescent powder represented by the following chemical formula: (R1-x, Eux)2O3, wherein R is Y, Gd or combination thereof, 0.02≤x≤0.1. The double core-shell fluorescent materials with uniform and stable luminous effect not only increase luminous intensity, but also decrease usage amount of fluorescent powder by using metal particle as inner core.

LUMINESCENT ELEMENT COMPRISING NITRIDE, THE PREPARING METHOD THEREOF AND THE METHOD FOR LUMINESCENCE USING THE ELEMENT

A luminescent element comprising nitride is provided. The element includes a luminescent film, a metal film with metal micro structure is formed on the surface of the luminescent film having a composition of Ga1-xAlxN:yRe, wherein Re is rare earth metal, 0≤x≤1, 0 Подробнее

CONTROL METHOD AND SYSTEM FOR REFRIGERATION, OIL RETURN AND NOISE REDUCTION OF MULTI-SPLIT AIR-CONDITIONER

A control method and system for refrigeration, oil return and noise reduction of a multi-split air-conditioner. The method comprises: when the accumulative time that the frequency of a compressor is smaller than the set frequency threshold reaches the oil return cycle and a standby indoor unit exists, conducting an oil return running mode; resetting the accumulative time; starting counting the oil return running time; calculating the indoor unit starting load; determining the opening degree of an expansion valve of the standby indoor unit according to the indoor unit starting load and whether there is anyone in a room where the standby indoor unit is located; controlling the compressor to run according to the set oil return frequency; and when the oil return running time reaches the oil return set time, exiting the oil return running mode, and conducting a normal refrigerating running mode. By means of the control method, the oil return effect is ensured, and the influences of throttling ...

SUBSTRATE, MANUFACTURING METHOD THEREOF, AND ORGANO-ELECTROLUMINESCENT DEVICE USING THE SAME

A substrate, manufacturing method thereof, and an organic electroluminescent device using the same are provided, belonging to photoelectron field. The substrate includes a paper layer (102), a first protection layer (101) formed on the lower surface of the paper layer, and a second protection layer (103) formed on the upper surface and covering the same of the paper layer. The substrate, solves problems of paper which is easy to absorb humidity and has high permeability of oxygen by a protection processing that said paper is coated with the heat seal film of polyethylene terephthalate coated with Polyvinyl Dichloride. At the meantime, the substrate has the advantages of cheap material, extensive sources, simple manufacturing process, good flexibility of the substrate, and good capability of preventing the permeability of water as well.

LUMINESCENT GLASS ELEMENT, THE PREPARING METHOD THEREOF AND THE METHOD FOR LUMINESCENCE USING THE ELEMENT

A luminescent glass element comprising a luminescent glass body is provided. A metal film with metal micro structure is formed on the surface of the luminescent glass body having a composition of aM2O•bY2O3•cSiO2•dPr2O3, wherein M is alkali metal, a, b, c and d stand for molar quantities, a is 25-60, b is 1-30, c is 20-70 and d is 0.001-10. A method of preparing the luminescent glass element and a method for luminescence using the element are also provided. The luminescent glass body in the invention has a metal film, which can raising luminous efficiency of the luminescent glass body. The element can be used in light emitting device with ultra high brightness and high speed.

TITANIUM DOPED TERNARY SYSTEM SILICATE FILM, PREPARATION METHOD AND APPLICATION THEREOF

A titanium doped ternary system silicate film is provided, wherein the titanium doped ternary system silicate film has the general formula of Ca2-xMgSi2O7:xTi4+ where x has a value of 0.00017～0.0256.The preparation method of the titanium doped ternary system silicate film and the application of the titanium doped ternary system silicate film obtained by the method in field emission devices, cathode ray tubes and/or electroluminescent devices are also provided.

FIELD EMISSION LIGHT SOURCE DEVICE AND MANUFACTURING METHOD THEREOF

A field emission light source device comprises an anode plate (110) and a cathode plate (120) spaced apart from each other, and an insulating support member (130) by which the anode plate (110) and the cathode plate (120) are integrally fixed. A vacuum-tight chamber is formed with the anode plate (110), the cathode plate (120) and the insulating support member (130). The anode plate (110) comprises a base (112) formed from transparent ceramic material and an anode conductive layer (114) disposed on one surface of the base (112). The cathode plate (120) comprises a substrate and a cathode conductive layer disposed on a surface of the substrate. The anode conductive layer (114) and the cathode plate (120) are disposed opposite each other. Because transparent ceramic has the advantages of good electrical conductivity, high light transmittance, stable electron-impact resistance performance and uniform luminescence, using transparent ceramic as the base of the anode plate in the field emission ...

RARE EARTH IONS DOPED ALKALI METAL SILICATE LUMINESCENT GLASS AND THE PREPARATION METHOD THEREOF

A preparation method of rare earth ions doped alkali metal silicate luminescent glass is provided. The steps involves: step 1, mixing the source compounds of cerium, terbium and alkali metals and putting the mixture into solvent to get a mixed solution; step 2, impregnating the nanometer micropores glass with the mixed solution obtained in step 1; step 3: calcining the impregnated nanometer micropores glass obtained in step 2 in a reducing atmosphere, cooling to room temperature, then obtaining the cerium and terbium co-doped alkali metal silicate luminescent glass. Besides, the rare earth ions doped alkali metal silicate luminescent glass prepared with aforesaid method is also provided. In the prepared luminescent glass, cerium ions can transmit absorbed energy to terbium ions under the excitation of UV light due to the co-doping of cerium ions. As a result, the said luminescent glass has higher luminous intensity than the glass only doped with terbium.

POLYMER CONTAINING THIOPHENE-BENZENE-THIOPHENE UNIT, PREPARATION METHOD THEREFOR AND SOLAR CELL DEVICE

A polymer containing a thiophene-benzene-thiophene unit has a structural formula as (I). R1 is a C1-C20 alkyl group; R2 is a C1-C20 alkyl group; and n is an integer between 10 and 100. An energy gap of the polymer containing a thiophene-benzene-thiophene unit is narrow, and therefore the energy conversion rate is improved greatly. The present invention further provides a preparation method for the polymer containing a thiophene-benzene-thiophene unit and a solar cell device using the polymer containing a thiophene-benzene-thiophene unit.

WHITE LIGHT LUMINESCENT DEVICE BASED ON PURPLE LIGHT LEDS

A white light luminescent device based on purple light LEDs includes a housing (3), a support plate (2), purple light LED semiconductor light sources (1), a high-silica luminescent glass plate (4) doped with Eu ion and a fluorescent powder layer (5). The support plate (2) and the high-silica luminescent glass plate (4) doped with Eu ion facing the purple light LED semiconductor light sources (1) are arranged in the housing (3). At least one purple light LED semiconductor light source (1) with an emitting wavelength between 210nm and 410nm is provided on the support plate (2). A fluorescent powder layer (5) formed by one of a mixture of yellow fluorescent powder and red fluorescent powder, a mixture of green fluorescent powder and red fluorescent powder, and yellow fluorescent powder is arranged on the surface of the high-silica luminescent glass plate (4) doped with Eu ion opposite to the purple light LED semiconductor light sources (1). The white light luminescent device based on purple ...

FLUORENE COPOLYMER, METHOD FOR PREPARATION AND USE THEREOF

A fluorene copolymer, method for preparation thereof, and use thereof are provided. Said fluorene copolymer comprises copolymer represented by formula (I) Wherein R1 - R2, R5 - R8 = H or C1-C2O alkyl, R3 - R4 = H, C1-C20 alkyl, C1-C20 alkoxyl, phenyl or phenoxyl, x + y = l, x ≠ 0, y ≠ 0, n = integer of 1-200, Ar1 = thiophene unit-containing group On account of thiophene unit and thiophenepyrazine unit, the fluorene copolymer has wide spectrum response range and favorable stability ...

ORGANIC LIGHT-EMITTING DEVICE AND PREPARING METHOD THEREOF

An organic light-emitting device (100) comprises a substrate (10), an anode (20), a functional layer (30), a cathode (40), a packaging layer (50) and a packaging cover (60) which are sequentially laminated. The substrate (10) and the packaging cover (60) form a closed space, and the anode (20), the functional layer (30), the cathode (40) and the packaging layer (50) are accommodated in the closed space. The packaging layer (50) sequentially comprises a protection layer (501), an oxygen, nitrogen and carbon compound film (502), an organic barrier layer (503), a moisture absorption layer (504) and a heat dissipation layer (505). The oxygen, nitrogen and carbon compound film (502) is a nitride film doped with oxides and carbides. Also provided is a method for preparing the organic light-emitting device (100). The method can effectively reduce erosion of moisture and oxygen to the organic light-emitting device, so as to effectively protect the organic functional material and electrodes, and ...

CO-POLYMER OF 2,7-FLUORENE AND BITHIAZOLE, METHOD FOR PREPARING SAME AND SOLAR BATTERY CONTAINING SAME

Provided are a co-polymer of formula (I) of 2,7-fluorene and bithiazole, a method for preparing same, and a solar battery containing same. The structural formula of the copolymer of 2,7-fluorene and bithiazole is as shown by formula (I), wherein both R1 and R2 are C1∼C20 alkyl groups, and n is an integer of 10-100. The co-polymer of the present invention has a novel structure, a good dissolving property, an excellent film-forming property, and a high energy conversion efficiency, and can be used as the material for a solar battery. Also provided are the method for preparing the co-polymer and the solar battery containing same. The preparation method uses raw materials widely available and has a simple synthesis route.