31results about How to "Broad prospects for commercial development" patented technology

The invention provides a red organic electrophosphorescent material iridium metal complex with the structure represented by formula (1). In the formula (1), R is a hydrogen atom or a C1-C4 straight chain or alkoxy group. The red organic electrophosphorescent material iridium metal complex is prepared through the following steps: carrying out a Suzuki coupling reaction on an iridium metal complex to prepare a cyclomedtalating ligand, carrying out a polymerization reaction on the cyclomedtalating ligand and chromium trichloride hexahydrate in a 2-ethoxyethanol and water mixed solvent to obtain a chlorendic dimer, and carrying out a complex reaction on the chlorendic dimer and an auxiliary ligand 2,2,6,6-tetramethyl-3,5-heptanedione to obtain the red organic electrophosphorescent material iridium metal complex represented by formula (1). The above material has good energy transmission efficiency and appropriate red light emitting wavelength, and can be widely used to make red or white phosphorescent electroluminescent devices in order to reduce the power consumption of the devices, improve the performances of the devices and prolong the life of the devices.

The invention provides a red organic electrophosphorescent material iridium metal complex with the structure represented by formula (1). In the formula (1), R is a hydrogen atom or a C1-C4 straight chain or alkoxy group. The red organic electrophosphorescent material iridium metal complex is prepared through the following steps: carrying out a Suzuki coupling reaction on an iridium metal complex to prepare a cyclomedtalating ligand, carrying out a polymerization reaction on the cyclomedtalating ligand and chromium trichloride hexahydrate in a 2-ethoxyethanol and water mixed solvent to obtain a chlorendic dimer, and carrying out a complex reaction on the chlorendic dimer and an auxiliary ligand acetylacetone to obtain the red organic electrophosphorescent material iridium metal complex represented by formula (1). The above material has good energy transmission efficiency and appropriate red light emitting wavelength, and can be widely used to make red or white phosphorescent electroluminescent devices in order to reduce the power consumption of the devices, improve the performances of the devices and prolong the life of the devices.

The present invention discloses a red light organic electrophosphorescence material metal iridium coordination compound having a structural formula represented by a formula (P), wherein R is methyl. The preparation method comprises that: a Suzuki coupling reaction is performed to obtain a ring metal ligand, the ring metal ligand and iridium trichloride trihydrate are subjected to a polymerization reaction in a 2-ethoxyethanol and water mixed solvent to obtain a chloro-bridge dimer, and the chloro-bridge dimer and 2,2,6,6-tetramethyl-3,5-heptanedione are subjected to a coordination reaction to obtain the red light organic electrophosphorescence material metal iridium coordination compound. The present invention further provides an organic electroluminescent device containing the metal iridium coordination compound. According to the present invention, 2,2,6,6-tetramethyl-3,5-heptanedione is added to the ring metal ligand as the auxiliary ligand so as to increase the steric hindrance effect of the metal iridium coordination compound, such that the direction effect between the metal atoms is reduced, the self-quenching phenomenon of the triplet state excitons is reduced, and the luminescence efficiency of the organic electroluminescent device is increased.

The invention provides a red organic electrophosphorescent material iridium metal complex with the structure represented by formula (1). In the formula (1), R is a hydrogen atom or a C1-C4 straight chain or alkoxy group. The red organic electrophosphorescent material iridium metal complex is prepared through the following steps: carrying out a Suzuki coupling reaction on an iridium metal complex to prepare a cyclomedtalating ligand, carrying out a polymerization reaction on the cyclomedtalating ligand and chromium trichloride hexahydrate in a 2-ethoxyethanol and water mixed solvent to obtain a chlorendic dimer, and carrying out a complex reaction on the chlorendic dimer and the cyclomedtalating ligand to obtain the red organic electrophosphorescent material iridium metal complex represented by formula (1). The above material has good energy transmission efficiency and appropriate red light emitting wavelength, and can be widely used to make red or white phosphorescent electroluminescent devices in order to reduce the power consumption of the devices, improve the performances of the devices and prolong the life of the devices.

The invention provides a blue organic electroluminescent phosphorescent material-iridium metal complex shown in a structural formula (I) in the specification. In the structural formula (I), R is a hydrogen atom, alkyl or alkoxy. A preparation method of the iridium metal complex comprises the following steps: preparing a cyclo-metal ligand through Suzuki coupling reaction; then subjecting the cyclo-metal ligand and IrCl3.3H2O to polymerization reaction in a mixed solution of 2-ethoxyethanol and water to obtain a chlorendic dimmer; subjecting the chlorendic dimmer and 2-picolinic acid to polymerization reaction in 1,2-dichloroethane, thus obtaining the blue organic electroluminescent phosphorescent material-iridium metal complex shown in the structural formula (I). The material can obtain good energy transmission efficiency and proper blue light emission wavelength, can be used for preparing blue or white phosphorescent electroluminescence devices and can achieve the aims of reducing the power consumption of the devices, improving the properties of the devices and prolonging the service lives.

The present invention discloses a red light organic electrophosphorescence material metal iridium coordination compound having a structural formula represented by a formula (P), wherein R is hydrogen atom or methyl. The present invention further provides a preparation method for the coordination compound, and an organic electroluminescent device containing the coordination compound. According to the present invention, 1-methoxy-4-phenyl phthalazine having large plane rigidity is adopted as the main ligand so as to balance charge transmission of the organic electroluminescent device, and acetylacetone is added to the ring metal ligand as the heterotypic auxiliary ligand so as to reduce the synthesis difficulty of the metal iridium coordination compound, and easily synthesize and purify the product.

The invention provides an organic light-emitting device and a preparation method of the organic light-emitting device. The organic light-emitting device comprises a conductive anode substrate, a hole injection layer, a hole transfer layer, a blue light emitting layer, an electron transfer layer, an electron injection layer and a cathode which are sequentially stacked, wherein the electron injection layer is made of a mixed material formed by doping alkali metalhydroxide and lithium salt or cesium salt into an electron injection material, the electron injection material is 4,7-diphenyl-1,10-phenanthroline, 4,7-diphenyl-1,10-phenanthroline, aluminum 4-diphenol -2(2-methyl-8-hydroxyquinoline), aluminum 8-hydroxyquinoline, 3-(biphenyl-4-base)-5-(4-tertiary butylphenyl)-4-phenyl-4H-1,2,4-triazole, or 1,3,5-3(1-phenyl-1H-benzimidazole-2-base)benzene. The organic light-emitting device provided by the invention has excellent luminescence efficiency and luminescence property.

The invention provides an organic light-emitting device and a preparation method of the organic light-emitting device. The organic light-emitting device comprises a conductive anode substrate, a hole injection layer, a hole transfer layer, a red light emitting layer, an electron transfer layer, an electron injection layer and a cathode which are sequentially stacked, wherein the electron injection layer is made of a mixed material formed by doping alkali metalhydroxide, villiaumite and lithium salt or cesium salt into an electron injection material, the electron injection material is 4,7-diphenyl-1,10-phenanthroline, 4,7-diphenyl-1,10-phenanthroline, aluminum 4-diphenol -2(2-methyl-8-hydroxyquinoline), aluminum 8-hydroxyquinoline, 3-(biphenyl-4-base)-5-(4-tertiary butylphenyl)-4-phenyl-4H-1,2,4-triazole, or 1,3,5-3(1-phenyl-1H-benzimidazole-2-base)benzene. The organic light-emitting device provided by the invention has excellent luminescence efficiency and luminescence property.

The invention provides an organic phosphorescence material shown in a structural formula (I), in the formula, R is C1-C6 alkyl or alkyloxy, X and Y are respectively C1 or F, or X and Y are same as C1. According to the invention, a compound A and tri(acetylacetone)iridium are reacted under anhydrous anoxic condition to obtain the organic phosphorescence material shown in the structural formula (I). The material can obtain good energy transfer efficiency and appropriate blue light emission wavelength, and can be widely used for preparing the blue light electroluminescent device, so that the device has good luminescence performance.

The invention provides an up-conversion luminescent material of rare-earth doped thio aluminosilicate. The chemical formula of the up-conversion luminescent material is aM2S3-bAl2S3-cSiS2:xTm<3+>, yHo<3+>, wherein M is Ga, In or Tl; a is smaller than or equal to 0.5 and greater than or equal to 0.2; b is smaller than or equal to 0.38 and greater than or equal to 0.22; c is smaller than or equal to 0.6 and greater than or equal to 0.2; x is smaller than or equal to 0.08 and greater than or equal to 0.01; and y is smaller than or equal to 0.06 and greater than or equal to 0. The up-conversion luminescent material of the rare-earth doped thio aluminosilicate can be excited by long-wave radiation from an infrared light to a green light; an emission peak is formed by transition radiation from <1>G4 to <3>H6 of Tm<3+> ions in a wavelength region of 476nm; and the up-conversion luminescent material can be used as a blue luminescent material. The invention also provides a preparation method of the up-conversion luminescent material of the rare-earth doped thio aluminosilicate, and an organic light-emitting diode using the up-conversion luminescent material of the rare-earth doped thio aluminosilicate.

The invention discloses a red light-emitting organic electrophosphorescent material iridium complex having a structure shown in the formula (1), and in the formula, R represents hydrogen or methyl. A preparation method of the red light-emitting organic electrophosphorescent material iridium complex comprises the following steps that a ring metal main ligand is prepared by a Suzuki coupling reaction, the ring metal main ligand and IrCl3.3H2O undergo a polymerization reaction in a 2-ethoxyethanol-water mixed solvent to produce a chlorine-bridged bipolymer, and the chlorine-bridged bipolymer and 2,2,6,6-tetramethyl-3,5-heptadione undergo a ligand exchange reaction to produce the red light-emitting organic electrophosphorescent material iridium complex. The red light-emitting organic electrophosphorescent material iridium complex is prepared by synthesis of 1-phenoxy-4-phenylphthalazine or its derivative as the ring metal main ligand and 2,2,6,6-tetramethyl-3,5-heptadione as an assistant ligand, and can adjust luminescence wavelength and produce approximately-standard red light. An organic electroluminescent device prepared from the red light-emitting organic electrophosphorescent material iridium complex can emit high-purity red light and has high luminescence efficiency. The preparation method has simple processes and is suitable for industrial production.

The present invention discloses a red light organic electrophosphorescence material metal iridium coordination compound, which has a structure formula represented by a formula (P), wherein R is methyl. The preparation method comprises that: a Suzuki coupling reaction is performed to obtain a ring metal ligand, the ring metal ligand and iridium trichloride trihydrate are subjected to a polymerization reaction in a 2-ethoxyethanol and water mixed solvent to obtain a chloro-bridge dimer, and the chloro-bridge dimer and the ring metal ligand are subjected to a coordination reaction to obtain the red light organic electrophosphorescence material metal iridium coordination compound. The present invention further provides an organic electroluminescent device containing the metal iridium coordination compound. According to the present invention, 1-methoxy-4-phenyl phthalazine having large plane rigidity is adopted as the ring metal main ligand to balance carrier transmission and increase coordination compound solubility so as to easily process, and the two methyl groups are introduced on the benzene ring of the ring metal main ligand to make the luminescent material luminescent spectrum produce red shift so as to increase red light luminescence purity.

The invention relates to a blue-light organic electrophosphorescent material iridium metal complex having a structure formula represented as the formula (1), wherein R is a hydrogen atom, an alkyl group with a carbon atom number being 1-20 or an alkoxy group with a carbon atom number being 1-20. The iridium metal complex includes a cyclometal ligand and an auxiliary ligand boron tetra(1-parazole). The blue-light organic electrophosphorescent material iridium metal complex having the structure formula represented as the formula (1) is prepared through following steps: (1) preparing the cyclometal ligand through Suzuki coupled reaction; (2) performing a polymerization reaction to the cyclometal ligand and iridium trichloride hydrate in a mixed solvent including 2-ethoxyethanol and water to obtain a chloride-bridge bipolymer; and (3) performing a complex reaction to the chloride-bridge biopolymer and the boron tetra(1-parazole) to obtain the blue-light organic electrophosphorescent material iridium metal complex having the structure formula represented as the formula (1). The material has excellent energy transmission efficiency and a suitable blue light luminescent wavelength, can be widely used for preparing a blue-light or a white-light phosphorescence electroluminescent device, and achieve objects of reducing power consumption of devices, improving performances of the devices and prolonging a service life.

The invention provides a red organic electrophosphorescent material iridium metal complex with the structure represented by formula (1). In the formula (1), each of R1 and R2 is a methyl group. The red organic electrophosphorescent material iridium metal complex is prepared through the following steps: carrying out a Suzuki coupling reaction on an iridium metal complex to prepare a cyclomedtalating ligand, carrying out a polymerization reaction on the cyclomedtalating ligand and chromium trichloride hexahydrate in a 2-ethoxyethanol and water mixed solvent to obtain a chlorendic dimer, and carrying out a complex reaction on the chlorendic dimer and an auxiliary ligand acetylacetone to obtain the red organic electrophosphorescent material iridium metal complex represented by formula (1). The above material has good energy transmission efficiency and appropriate red light emitting wavelength, and can be widely used to make red or white phosphorescent electroluminescent devices in order to reduce the power consumption of the devices, improve the performances of the devices and prolong the life of the devices.

The invention provides a Ho / Nd-codoped sulfuretted yttrium silicate up-conversion luminescent material having a chemical formula of Y[2-x-y]SiS5:xHo<3+>,yNd<3+>, wherein x is not less than 0.01 and not more than 0.1 and y is not less than 0.01 and not more than 0.06. The Ho / Nd-codoped sulfuretted yttrium silicate up-conversion luminescent material can be excited by long-wave radiation of infrared rays to green light so as to form an emission peak in a 490nm wavelength region by transition radiation from Ho<3+> ions 5F3 to 5I8, and can be used as a blue-ray luminescent material. The invention further provides a preparation method of the Ho / Nd-codoped sulfuretted yttrium silicate up-conversion luminescent material and an organic light emitting diode which uses the Ho / Nd-codoped sulfuretted yttrium silicate up-conversion luminescent material.

The invention provides a red organic electrophosphorescent material iridium metal complex with the structure represented by formula (1). In the formula (1), each of R1 and R2 is a methyl group. The red organic electrophosphorescent material iridium metal complex is prepared through the following steps: carrying out a Suzuki coupling reaction on an iridium metal complex to prepare a cyclomedtalating ligand, carrying out a polymerization reaction on the cyclomedtalating ligand and chromium trichloride hexahydrate in a 2-ethoxyethanol and water mixed solvent to obtain a chlorendic dimer, and carrying out a complex reaction on the chlorendic dimer and an auxiliary ligand 2,2,6,6-tetramethyl-3,5-heptanedione to obtain the red organic electrophosphorescent material iridium metal complex represented by formula (1). The above material has good energy transmission efficiency and appropriate red light emitting wavelength, and can be widely used to make red or white phosphorescent electroluminescent devices in order to reduce the power consumption of the devices, improve the performances of the devices and prolong the life of the devices.

The invention provides an up-converting luminescent material with ytterbium-neodymium codoped yttrium thiosilicate. The chemical formula of the up-converting luminescent material is Y[2-x-y]SiS5:xYb<3+>,yNd<3+>, wherein x is more than or equal to 0.005 and is less than or equal to 0.03, and y is more than or equal to 0.01 and is less than or equal to 0.05. The up-converting luminescent material can be excited by long-wave radiation from infrared light to green light, forms an emission peak by transition radiation from Nd<3+> ion 2P3 / 2 to 4i15 / 2 in a 469nm-wavelength area and can be used as a blue-light luminescent material. The invention also provides a preparation method of the up-converting luminescent material with the ytterbium-neodymium codoped yttrium thiosilicate and an organic light-emitting diode using the up-converting luminescent material with the ytterbium-neodymium codoped yttrium thiosilicate.

The invention provides an organic electroluminescent device and a preparation method thereof. The organic electroluminescent device comprises a conductive anode substrate, a hole injection layer, a hole transmission layer, a luminescent layer, a hole barrier layer, an electron transmission layer, an electron injection layer and a cathode layer which are laminated in turn. The material of the hole barrier layer is the mixed material formed in a way that bipolarity metal oxide with calcium carbonate coated on the surface is doped into hole barrier material. The hole barrier material is 4, 7-dibenzyl-1, 10-phenanthroline, 1, 2, 4-triazole derivative or 1, 3, 5-tri (1-phenyl-1H-benzimidazole-2-radical) benzene. The mass percentage of bipolarity metal oxide in the hole barrier material is 5-40%. The organic electroluminescent device is great in luminescence efficiency and luminescence performance, simple in method and process and low in cost.

The present invention discloses a red light organic electrophosphorescence material metal iridium coordination compound having a structural formula represented by a formula (P), wherein R is methyl. The present invention further provides a preparation method for the red light organic electrophosphorescence material metal iridium coordination compound. The method comprises that: a Suzuki coupling reaction is performed to prepare a ring metal ligand, the ring metal ligand and iridium trichloride trihydrate are subjected to a polymerization reaction to obtain a chloro-bridge dimer, and the chloro-bridge dimer and the ring metal ligand are subjected to a coordination reaction to obtain the metal iridium coordination compound. The present invention further provides an organic electroluminescent device containing the metal iridium coordination compound. According to the present invention, 1-methyl-4-phenyl phthalazine is adopted as the ring metal ligand main structure, and the two methyl groups are introduced on the benzene ring of the ring metal ligand to achieve adjustment on the material luminescence color so as to obtain the satisfied red light emission wavelength, increase the luminescence color purity of the red phosphorescence material, and increase the luminescence efficiency and the stability of the organic electroluminescent device.

The invention provides an organic light-emitting device and a preparation method thereof. The organic light-emitting device includes a conductive anode substrate, a cavity injection layer, a cavity transmission layer, a light-emitting layer, an electronic transmission layer, an electronic injection layer and a cathode layer, which are laminated sequentially. The material of the electronic transmission layer is TiO2, the surface of which is covered with ZnO. The electronic transmission layer is vapor deposited on the light-emitting layer via electronic beams. The organic light-emitting device is excellent in light-emitting efficiency and light-emitting performance, simple in preparation method process, low in cost and applicable to industrial production.

The invention provides an organic electroluminescent device and a preparation method thereof. The organic electroluminescent device comprises a conductive anode substrate, a hole injection layer, a hole transmission layer, a luminescent layer, a hole barrier layer, an electron transmission layer, an electron injection layer and a cathode layer which are laminated in turn. The material of the hole barrier layer is the mixed material formed in a way that bipolarity metal oxide is doped into organic silicon benzene material. The doped mass percentage of bipolarity metal oxide in organic silicon benzene material is 10-40%. The organic electroluminescent device is great in luminescence efficiency and luminescence performance, simple in method and process and low in cost.

The present invention provides a red light organic electrophosphorescence material metal iridium coordination compound, which adopts 1-methyl-4-phenyl phthalazine or a derivative thereof as a ring metal main ligand, adopts 2,2,6,6-tetramethyl-3,5-heptanedione as an auxiliary ligand, and has a structure formula represented by a formula (1), wherein R is hydrogen or methyl. The preparation method comprises that: a Suzuki coupling reaction is performed to prepare a ring metal main ligand, the ring metal main ligand and IrCl3.3H2O are subjected to polymerization in a 2-ethoxyethanol and water mixed solvent to obtain a chloro-bridge dimer, and the chloro-bridge dimer and acetylacetone are subjected to a ligand exchange reaction to obtain the red light organic electrophosphorescence material metal iridium coordination compound. According to the present invention, 1-methyl-4-phenyl phthalazine is adopted as the ring metal main ligand, 2,2,6,6-tetramethyl-3,5-heptanedione is adopted as the auxiliary ligand, and the emission wavelength can be adjusted so as to obtain the red light near the standard red color; and the organic electroluminescent device prepared from the material can emit high purity red light, the luminescence efficiency is high, and the preparation method is simple and is suitable for industrial production.

The invention discloses a red light-emitting organic electrophosphorescent material iridium complex having a structure shown in the formula (1), and in the formula, R represents methyl. A preparation method of the red light-emitting organic electrophosphorescent material iridium complex comprises the following steps that a ring metal main ligand is prepared by a Suzuki coupling reaction, the ring metal main ligand and IrCl3.3H2O undergo a polymerization reaction in a 2-ethoxyethanol-water mixed solvent to produce a chlorine-bridged bipolymer, and the chlorine-bridged bipolymer and 2,2,6,6-tetramethyl-3,5-heptadione undergo a ligand exchange reaction to produce the red light-emitting organic electrophosphorescent material iridium complex. The red light-emitting organic electrophosphorescent material iridium complex is prepared by synthesis of 1-phenoxy-4-(substituted phenyl)phthalazine as the ring metal main ligand and 2,2,6,6-tetramethyl-3,5-heptadione as an assistant ligand, and can adjust luminescence wavelength and produce approximately-standard red light. An organic electroluminescent device prepared from the red light-emitting organic electrophosphorescent material iridium complex can emit high-purity red light and has high luminescence efficiency. The preparation method has simple processes and is suitable for industrial production.

The invention provides a red organic electrophosphorescent material iridium metal complex with the structure represented by formula (1). In the formula (1), each of R1 and R2 is a methyl group. The red organic electrophosphorescent material iridium metal complex is prepared through the following steps: carrying out a Grignard reaction on an iridium metal complex to prepare a compound C, carrying out dehydration cyclization on the compound C to obtain a cyclomedtalating ligand, carrying out a polymerization reaction on the cyclomedtalating ligand and chromium trichloride hexahydrate in a 2-ethoxyethanol and water mixed solvent to obtain a chlorendic dimer, and carrying out a complex reaction on the chlorendic dimer and 2,2,6,6-tetramethyl-3,5-heptanedione to obtain the red organic electrophosphorescent material iridium metal complex represented by formula (1). The above material has good energy transmission efficiency and appropriate red light emitting wavelength, and can be widely used to make red or white phosphorescent electroluminescent devices in order to reduce the power consumption of the devices, improve the performances of the devices and prolong the life of the devices.

The invention provides a blue organic electroluminescent phosphorescent material-iridium metal complex shown in a structural formula (I) in the specification. In the structural formula (I), R is a hydrogen atom, alkyl or alkoxy. A preparation method of the iridium metal complex comprises the following steps: preparing a cyclo-metal ligand through Suzuki coupling reaction; then subjecting the cyclo-metal ligand and Ir(acac)3 to polymerization reaction, thus obtaining the blue organic electroluminescent phosphorescent material-iridium metal complex shown in the structural formula (I). The material can obtain good energy transmission efficiency and proper blue light emission wavelength, can be used for preparing blue or white phosphorescent electroluminescence devices and can achieve the aims of reducing the power consumption of the devices, improving the properties of the devices and prolonging the service lives.

The present invention provides a red light organic electrophosphorescence material metal iridium coordination compound, which has a structure formula represented by a formula (1), wherein R is methyl. The preparation method comprises that: a Suzuki coupling reaction is performed to prepare a ring metal main ligand, the ring metal main ligand and IrCl3.3H2O are subjected to a polymerization reaction in a 2-ethoxyethanol and water mixed solvent to obtain a chloro-bridge dimer, and the chloro-bridge dimer and acetylacetone are subjected to a ligand exchange reaction to obtain the red light organic electrophosphorescence material metal iridium coordination compound. According to the present invention, 1-phenoxy-4-(substituted phenyl)phthalazine is adopted as the ring metal main ligand, and acetylacetone is adopted as the auxiliary ligand to obtain the material, wherein the emission wavelength can be adjusted so as to obtain the red light near the standard red color; and the organic electroluminescent device prepared from the material can emit high purity red light, the luminescence efficiency is high, and the preparation method is simple and is suitable for industrial production.

The present invention provides a red light organic electrophosphorescence material metal iridium coordination compound, which has a structure formula represented by a formula (1), wherein R is hydrogen or methyl. The preparation method comprises that: a Suzuki coupling reaction is performed to prepare a ring metal ligand, the ring metal ligand and IrCl3.3H2O are subjected to a polymerization reaction in a 2-ethoxyethanol and water mixed solvent to obtain a chloro-bridge dimer, and the chloro-bridge dimer and the ring metal ligand are subjected to a ligand exchange reaction to obtain the red light organic electrophosphorescence material metal iridium coordination compound. According to the present invention, 1-methyl-4-phenyl phthalazine or a derivative thereof is adopted as the ring metal ligand to synthesize to obtain the material, wherein the emission wavelength can be adjusted so as to obtain the red light near the standard red color; and the organic electroluminescent device prepared from the material can emit high purity red light, the luminescence efficiency is high, and the preparation method is simple and is suitable for industrial production.

The invention provides an organic blue light electrophosphorescent metal iridium complex as shown in the structural formula (1), wherein r is a hydrogen atom, c1-c20 alkyl or c1-c20 alkoxy. The metal iridium complex comprises a cyclometalated ligand and an auxiliary ligand, namely, 2-pyridinecarbonyl. The organic blue light electrophosphorescent metal iridium complex as shown in the structural formula (1) is prepared through the following steps of firstly, carrying out suzuki coupling reaction to prepare the cyclometalated ligand; then, carrying out polymerization reaction on the cyclometalated ligand and iridium trichloride hydrate in a mixed solvent composed of 2-ethoxyethanol and water to obtain a chloro-bridged dimmer; and next, carrying out coordination reaction on the obtained chloro-bridged dimmer and 2-picolinic acid. By using the organic blue light electrophosphorescent metal iridium complex, favorable energy transmission efficiency and proper blue light emitting wavelength can be obtained, and the aims of reducing the power consumption of a device, improving the performance of the device and prolonging the service life of the device can be achieved; and the organic blue light electrophosphorescent metal iridium complex can be widely applied to preparation of a blue light or white light electrophosphorescent device.

The invention discloses a red light-emitting organic electrophosphorescent material iridium complex having a structure shown in the formula (P), and in the formula, an R group represents a hydrogen atom or methyl. The invention also provides a preparation method of the iridium complex and an organic electroluminescent device containing the iridium complex. The red light-emitting organic electrophosphorescent material iridium complex comprises 1-methoxy-4-phenylphthalazine having large planar rigidity as a main ligand, has good red light color purity, is conducive to balance of charge transmission of the organic electroluminescent device, and improves luminescence efficiency and a service life of the organic electroluminescent device. Through use of a methoxy group of the phthalazine group, iridium complex dissolvability is improved, iridium complex synthesis difficulty is reduced and purification is more easy.

The invention provides a polymer solar cell and a preparation method thereof. The polymer solar cell comprises a conductive anode substrate, a hole buffer layer, a first active layer, an n-type layer, a p-type layer, a second active layer, an electron buffer layer and a cathode which are laminated in turn. The material of the n-type layer is the mixed material formed by lithium salt, poly 3,4-ethylene dioxythiophene and poly p-styrene sulfonic acid. The material of the p-type layer is the mixed material formed by poly-3 hexyl thiophene and phthalocyanines micromolecule. The polymer solar cell is higher in utilization rate of sunlight and energy conversion efficiency. According to the preparation method of the polymer solar cell, preparation technology is easy to control, industrialized production of devices is facilitated and processing cost is low so that commercial development prospect is quite wide.