Abstract: Disclosed is a metal nanoparticle-coating silicate luminescent material, which has a molecular formula of Li2Ca1?xSiO4:Tbx@My; where @ represents a coating, M is at least one among Ag, Au, Pt, Pd, and Cu nanoparticles, where 0<x?0.2, where y is the molar ratio between M and Si, and where 0<y?1×10?2. The composition of the silicate coated metal nanoparticle luminescent material is metal nanoparticles coated with Li2Ca1?xSiO4:Tbx, all of which are substances having great chemical stability and having great stability when bombarded by large electron beams. Also provided in the present invention is a method for preparing the metal nanoparticle coating silicate luminescent material.

Abstract: Disclosed is a double-center bipyridyl cationic ion liquid prepared by reacting bipyridyl with haloalkane for synthesis of dialkyl bipyridyl halide, and converting the halogen ion in the dialkyl bipyridyl halide to the target anion via an ion-exchange reaction, to give the final target ionic liquid. Also disclosed are an organic electrolyte containing the double-center bipyridyl cationic ion liquid and a preparation method therefor.

Abstract: The present invention relates to a benzodithiophene based copolymer containing isoindoline-1,3-diketone 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; R5 is selected from alkyl groups of C1 to C16; n is a natural number from 7 to 80. Applications of the benzodithiophene based copolymer containing isoindoline-1,3-diketone 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.

Abstract: A benzodithiophene based copolymer containing thiophene pyrroledione units, a preparing method thereof, and applications of the copolymer in polymer solar cells, organic light-emitting, organic field effect transistors, organic optical storage, organic nonlinear materials or organic laser.

Abstract: The present invention relates to a benzodithiophene based copolymer containing thieno[3,4-b]thiophene units and a preparing method and applications thereof. The polymer has a structural formula (I), wherein R1 and R2 are respectively selected from H, and 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; R5 is selected from alkyl groups of C1 to C16; n is a natural number from 7 to 80. Applications of the benzodithiophene based copolymer containing thieno[3,4-b]thiophene units in polymer solar cells, polymer organic light-emission, polymer organic field effect transistors, polymer organic optical storage, polymer organic nonlinear materials or polymer organic laser are also provided.

Abstract: Provided is a sulfur oxide luminescent material. The luminescent material has a general chemical formula of Ln2-xO2S:Eux3+@My, wherein @ is coating, Eu is doped in Ln2-xO2S, Ln2-xO2S:Eux3+ has a porous structure, and M is located in pores of the Ln2-xO2S:Eux3+. In the sulfur oxide luminescent material, metal nano particles coating is used to form a core-shell structure, which increases luminescent efficiency of the sulfur oxide luminescent material in a same excitation condition; in addition, a hollow structure is formed between a core and a shell layer of the sulfur oxide luminescent material, which effectively reduces usage of rare earth elements in the shell layer and lowers cost of the luminescent material. Also provided is a preparation method for the sulfur oxide luminescent material.

Abstract: 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.

Abstract: A preparation method of rare earth ions doped alkaline earth metal silicate luminescent glass is provided. The steps involve: step 1, mixing the source compounds of cerium, terbium and alkaline earth metals and putting the mixture into solvent to get a mixed solution; step 2, impregnating the nanometer pores glass with the mixed solution obtained in step 1; step 3: calcining the impregnated nanometer pores glass obtained in step 2 in a reducing atmosphere, cooling to room temperature, then obtaining the cerium and terbium co-doped alkaline earth metal silicate luminescent glass. Besides, the rare earth ions doped alkaline earth 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.

Abstract: 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.

Abstract: An aluminate luminescent material with a general molecular formula of Y3-xAl5O12:Lnx,My is provided, 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, x is in a range of 0<x?0.05, y is a molar ratio of M to Al and y is in a range of 0<y?1×10?2. The aluminate luminescent material is formed by codoping Ln and M in a Y3-xAl5O12 substrate, of which M can improve internal quantum efficiency and luminescent intensity of the luminescent material. In addition, Y3-xAl5O12 has high stability, which can prevent a phenomenon where luminescent efficiency of the luminescent material is reduced because a traditional sulfide and sulfur oxide decompose during use and sediment generated in decomposition covers a surface of the luminescent material. Also provided is a preparation method thereof.

Abstract: The present invention provides a silicate luminescent material, wherein said silicate luminescent material has a general molecular formula of Li2Ca1-xSiO4:Tbx,My, Tb and M are doped in Li2Ca1-xSiO4, and Tb and M are doped particles; M is selected from at least one of Ag, Au, Pt, Pd, and Cu metal nanoparticles, x has a value range of 0<x?0.2, y is a molar ratio of M to Si and y has a value range of 0<y?1×10?2. The silicate luminescent material doped with metal particles greatly increases luminescent efficiency of the silicate luminescent material in a same excitation condition without changing a wavelength of emitted light. The silicate luminescent material has good stability, overcomes the defect that sulfide and oxysulfide series luminescent materials are easy to decompose, and can replace the sulfide and oxysulfide series luminescent materials in field emission display. Also provided is a preparation method thereof.

Abstract: A silicate luminescent material has a general molecular formula of Li2Ca1-xSiO4:Tbx,My is provided, of which M is selected from at least one of Ag, Au, Pt, Pd, and Cu metal nanoparticles, x is in a range of 0<x?0.2, M is doped in Li2Ca1-xSiO4:Tbx, y is a molar ratio of M to Si and y is in a range of 0<y?1×10?2. The metal nanoparticles M which doped in the silicate luminescent material can improve internal quantum efficiency of the luminescent material, thereby improving luminescent intensity of the silicate luminescent material. In addition, the silicate luminescent material can prevent a phenomenon where luminescent efficiency of the luminescent material is reduced because a traditional sulfide and sulfur oxide decompose during use and sediment generated in decomposition covers a surface of the luminescent material, and has high stability. A preparation method thereof is also provided.

Abstract: The present invention relates to a silicate luminescent material and preparation method thereof. The silicate luminescent material has the following general chemical formula: (Ba1-yAy)2-xSiO4: Eux, Dz@Mn, wherein @ represents coating, Mn is a core, (Ba1-yAy)2-xSiO4: Eux, Dz is a shell; A is one or two of Sr, Ca, Mg or Zn; D is either F or Cl; M is at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; the value range of x is 0.001<n?1×10?2. The silicate luminescent material is formed into a core-shell structure through the coating of metallic nanoparticles, thus effectively improving internal quantum efficiency of the luminescent material. In addition, the plasma effect on the surface of the metallic nanoparticles greatly improves luminous efficiency of the silicate luminescent material. The preparation method of the silicate luminescent material is simple, pollution free, easy to control, has low requirement for device, and is suitable for industrial production.

Abstract: 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.

Abstract: Disclosed are a polymer solar cell and a preparation method thereof. The preparation method comprises: successively preparing on a clean glass substrate (1), a cathode (2), an electronic buffer layer (3) and an active layer (4) by the steps of dissolving poly(3,4-ethylenedioxythiophene) and polymerized p-styrene sulphonic acid, dissolving zinc oxide into acetic acid to obtain a zinc oxide solution, mixing the zinc oxide solution with the solution of poly(3,4-ethylenedioxythiophene) and polymerized p-styrene sulphonic acid to obtain a mixed solution, spin-coating the mixed solution on the active layer (4) and then by drying to obtain the anode (5), and finally obtain the polymer solar cell.

Abstract: The present invention relates to a titanate luminescent material and preparation method thereof. The titanate luminescent material has the following 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 a 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 doping 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.

Abstract: 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 vapor 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.

Abstract: An organic electroluminescence device is provided. The device comprises an anode base layer (110), a hole injection layer (120) on the anode base layer (110), a light emitting layer (130) on the hole injection layer (120), and a cathode electrode layer (140) on the light emitting layer (130). The material of the hole injection layer (120) is metal oxide or thiophene type compound. The hole injection layer (120) has advantages of improving the recombination probability of electron-hole and not being easily oxidized, so that the efficiency of the organic electroluminescence device is increased and the service life is prolonged. A method for manufacturing the organic electroluminescence device is also provided.

Abstract: The present invention relates to a lutecium oxide luminescent material, having the general molarcular formula of Lu2-xO3:Lnx3+@SiO2@My, wherein Ln is selected from one of the elements Eu, Tb, Dy, Sm, Er, Ho and Tm; M is selected from at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; 0<x?0.02; y is the molar ratio between M and Lu2-xO3:Lnx3+, 0<y?10?2; @ represents coating; the lutecium oxide luminescent material uses M as a core, SiO2 as an inner shell, and Lu2-xO3:Lnx3+ as an outer shell. The lutecium oxide 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 can improve the internal quantum efficiency of the luminescent material, thus enabling the lutecium oxide luminescent material to have a relatively high luminous intensity.

Abstract: A zinc aluminate luminescent material is provided having the general molecular formula of Zn1-xAl2O4:A3+x@Al2O3@My, wherein A is selected from the group consisting of Cr, Eu, Tb, and Ce; M is selected from at least one of Ag, Au, Pt, Pd and Cu metal nanoparticles; 0<x?0.1; y is the ratio between the molar mass of M and the sum of the molar mass of Al in Zn1-xAl2O4:A3+x and the molar mass of Al in Al2O3@My, 0<y?1×10?2; @ represents coating; the zinc aluminate luminescent material uses M as a core, Al2O3 as an inner shell, and Zn1-xAl2O4:A3+x as an outer shell. The zinc aluminate luminescent material is a core-shell structure using at least one of Ag, Au, Pt, Pd and Cu metal nanoparticles as a core, Al2O3 as an inner shell, and Zn1-xAl2O4:A3+x as an outer shell. The metallic nanoparticles improve the internal quantum efficiency, thus enabling the zinc aluminate luminescent material to have a relatively high luminous intensity.