Abstract: Disclosed is an active material for a counter-electrode. The material comprises a carbon aerogel and platinum loaded on the carbon aerogel, the platinum having a mass content of 1% to 5% in the active material for a counter-electrode. The active material for a counter-electrode has a relatively high photoelectric conversion efficiency. In addition, also provides are a method for preparing the active material for a counter-electrode, a solar cell counter-electrode using the active material for a counter-electrode and a method for preparing the solar cell counter-electrode.

Abstract: Disclosed are a polymeric electroluminescent device and a method for preparing the same. The polymeric electroluminescent device includes an anode (20), a hole injecting layer (30), a hole transportation layer (40), a light-emitting layer (50), a hole barrier layer (60), an electron transportation layer (70), an electron injecting layer (80) and a cathode (90) laminated in succession, and the material for the hole barrier layer (60) is zinc oxide, magnesium oxide, zinc sulphide or cadmium sulphide. In the polymeric electroluminescent device, zinc oxide, magnesium oxide, zinc sulphide or cadmium sulphide has a large particle size, and can scatter the light to improve extraction efficiency; at the same time, zinc oxide, magnesium oxide, zinc sulphide or cadmium sulphide has a high work function, which can excellently prevent transition of the holes and increase the recombination possibility of excitons, thereby improving the light-emitting efficiency of the polymeric electroluminescent device.

Abstract: Provided are a polymer solar cell (100) and a method for preparing the same. The solar cell (100) comprises the following structures: a conductive anode substrate (10), a hole buffer layer (20), an active layer (30), an electron transportation layer (40) and a cathode (50); and the material for the electron transportation layer (40) is an electron transportation material doped with a cerium salt and metal particles. The solar cell (100) effectively increases the rate of electron transportation, and decreases the potential barrier between the electron transportation layer (40) and the cathode (50).

Abstract: Disclosed are an organic electroluminescent device having ternary doped hole transportation layer and a preparation method therefor. The electroluminescent device comprises a conductive anode substrate (1), a ternary doped hole transportation layer (2), a light-emitting layer (3), an electron transportation layer (4), an electron injecting layer (5) and a cathode layer (6), wherein the material for the ternary doped hole transportation layer (2) is a mixed material made by doping a cerium salt and a hole transportation material into a metal compound. The electroluminescent device forms p-doping by doping the cerium salt and the hold transportation material into the metal compound, which improves the ability of injecting and transporting holes, and increases the efficiency of light emission.

Abstract: The present invention relates to solar cells and discloses a difluoro benzotriazolyl organic semiconductor material and preparation method and use thereof. The organic semiconductor material is represented by formula (I), wherein both R1 and R2 are C1 to C20 alkyl, and n is an integer from 10 to 50. In the difluoro benzotriazolyl organic semiconductor material, since the 1,2,3-benzotriazole organic semiconductor material contains two fluorine atoms, the HOMO energy level is reduced by 0.11 eV, while the fluorine-substituted 1,2,3-benzotriazole has two imido groups with electron-withdrawing ability; the fluorine-substituted 1,2,3-benzotriazole is a heterocyclic compound with strong electron-withdrawing ability, 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 the solar energy conversion efficiency, thus solving the low efficiency problem of solar cells made of the organic semiconductor material.

Abstract: 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 tenuity system silicate film and the application of the titanium doped ternary system ,silicate film obtained by the method in field emission de ices cathode my tubes and/or electroluminescent devices are also provided.

Abstract: Disclosed are a difluoro benzotriazolyl solar cell polymeric material and preparation method and use thereof; the copolymer 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 100. In the difluoro benzotriazolyl solar cell polymeric material of the present invention, because the 1,2,3-benzotriazole copolymer contains two fluorine atoms, the HOMO energy level will be reduced by 0.11 eV while the fluorine-substituted 1,2,3-benzotriazole has two imido groups with strong electron-withdrawing property; the fluorine-substituted 1,2,3-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 polymer solar cells.

Abstract: Cerium doped magnesium barium tungstate luminescent thin film, manufacturing method and application thereof are provided, said method for manufacturing cerium doped magnesium barium tungstate luminescent thin film comprises the following steps: mixing MgO, BaO, WO3 and Ce2O3, sintering for forming sputtering target, forming the precursor of cerium doped magnesium barium tungstate luminescent thin film by magnetron sputtering, annealing the precursor of cerium doped magnesium barium tungstate luminescent thin film, and then forming cerium doped magnesium barium tungstate luminescent thin film. Said cerium doped magnesium barium tungstate luminescent thin film exhibits high luminescence efficiency and high light emitting peaks in red and blue regions. Said method presents the advantages of simplified operation, less cost, and suitable for industrial preparation.

Abstract: 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 0.2 Pa-5 Pa, introducing mixed gas of inert gas and hydrogen with a flow rate of 15 sccm˜25 sccm, adopting a sputtering power of 40 W˜200 W, and sputtering on the substrate to obtain the multi-elements-doped zinc oxide film.

Abstract: An organic electroluminescent device and a conductive substrate thereof are provided. Said conductive substrate 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 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 substrate, 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.

Abstract: An electrically conductive film is provided, which comprises a film formed of zinc oxide adulterated with alumina, silicon dioxide and magnesia. The transparence of the zinc oxide film is increased by means of magnesium ion in the adulterated magnesia widening the transparent window of the zinc oxide film, the conductivity is increased and thus the resistivity is reduced by means of adulterating with alumina and silicon dioxide, and the resistivity during working is stabilized by means of adulterating with alumina, silicon dioxide and magnesia. A method for manufacturing the electrically conductive film and an application therefor are also provided. The method has simple process, mild conditions, low cost and high productivity, which is suit for industrialized produce.

Abstract: An organic electroluminescent device (OELD) and the fabrication method thereof are disclosed. The OELD comprises an anode(1), a cathode(2) opposite to the anode(1) and a light emission structure(3) between the anode(1) and the cathode(2).The OELD also comprises an insulation layer(4) between the anode(1) and the light emission structure(3) and the insulation layer(4) is attached to the anode(1).The material of the insulation layer(4) is a lithium salt compound and the thickness of the insulation layer(4) is 0.5-5 nm. The insulation layer is arranged on the anode(1) to block the velocity of holes injecting into the light emission structure(3) from the anode, thereby ensuring the consistency in the amount of holes and electrons of the light emission structure(3), highly increasing the recombination probability of electrons and holes and reducing the influence of excess holes to the emission property of the device. Therefore the emission property of the device is highly improved.

Abstract: The invention relates to a counter electrode for a dye-sensitized solar cell and a manufacturing method thereof. The counter electrode comprises a conductive substrate and an acid doped polyaniline layer coated on at least one surface of the conductive substrate. The conductivity of the counter electrode is increased, the recombination probability of I3? and a conduction band electron is decreased, the bond strength of the acid doped polyaniline layer and the conductive substrate is enhanced, the electronic transmission rate and the conductivity of the counter electrode for the external circuit are further increased, and the production cost is reduced. The manufacturing method can simplify the production process, produce the stable performance counter electrode, increase the production efficiency, and reduce the requirement for production equipment, thus suitable for industrial production.

Abstract: A conducting polymer-carbon material combined counter electrode for dye-sensitized solar cell comprises a conducting substrate (3), and a carbon material (1) and a conducting polymer (2) coated on the conducting substrate (3). A method for manufacturing the conducting polymer-carbon material combined counter electrode comprises steps: mixing the carbon material (1) with the conducting polymer (2) into a uniform suspension, cleaning and surface processing the conducting substrate (3), coating the suspension on the conducting substrate (3) and drying, to obtain the combined counter electrode.

Abstract: A scanning radiographic densitometer constructs a broad area, two dimensional projection image from a combination of a set of smaller fan beam scans by tilting the axis of each such smaller scan to construct an effective larger fan beam to reduce artifacts caused by height dependant overlap of the multiple fan beams. The data is projected to a non-planar image surface to eliminate local area distortion such as may cause error in density measurements and to permit some overlap without height sensitive effects.

Abstract: A scanning radiographic densitometer constructs a broad area, two dimensional projection image from a combination of a set of smaller fan beam scans by tilting the axis of each such smaller scan to construct an effective larger fan beam to reduce artifacts caused by height dependant overlap of the multiple fan beams. The data is projected to a non-planar image surface to eliminate local area distortion such as may cause error in density measurements and to permit some overlap without height sensitive effects.