49results about How to "Good phosphorescent emission performance" patented technology

The invention discloses a benzoxazolyl based CuN2P2 orange phosphorescent material and a preparation method. The phosphorescent complex of the benzoxazolyl based CuN2P2 orange phosphorescent material is obtained through cuprous salt and ligand complexation, a molecular structure of the phosphorescent complex is [Cu(2-QBO)(Xantphos)]PF6, the 2-QBO and the Xantphos in the formula are respectively electrically neutral bidentate chelating ligand 2-(2-benzoxazole) quinoline and 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene. The complex has the advantages that micro-molecules are easy to purify and luminous efficiency is high and has high heat stability. The benzoxazolyl based CuN2P2 orange phosphorescent material is obtained through direct mixing and reaction of Cu(CH3CN)4PF6 and a dichloromethane solution of the complex, has the advantages that a process is simple and convenient, a device is simple, raw materials are easy to obtain, cost is low and the like, can serve as an orange photo-luminescent material and can also serve as a luminous-layer phosphorescent material consisting of multiple layers of organic materials and used in an electroluminescent device.

The invention discloses a yellow phosphorescent Cu (I) complex luminescent material and a preparation method thereof. Cuprous salt and ligand are subjected to complexing to form the phosphorescent complex, the molecular structure of the phosphorescent complex is Cu (2-PBO) (TPP) 2 (PF6), the TPP is an electrical neutral ligand triphenylphosphine, and the 2-PBO is 2-(2-benzoxazole) pyridine. The complex has advantages of small molecules which are easy to purify and high in luminous efficiency and has high heat stability. Cu(CH3CN)4PF6 and an acetonitrile solution of the ligand are directly mixed and reacted to form the material, and the material has the advantages that the process is simple and convenient, a device is simple, raw materials are easy to obtain, the cost is low, and the like. The material can serve as a photoluminescence yellow light material and as luminescent layer phosphorescent material in an electroluminescent device formed by multi-layer organic materials.

The invention discloses a zinc bromide complex light emitting material and a preparation method thereof. The zinc bromide complex is obtained by complexing a ligand and zinc bromide. The molecular structure of the complex is Zn (4-PBO)<2>Br<2>, in which 4-BPO is a heterocyclic ligand 4-(2-benzoxazole) pyridine. The ligand is a coalition of benzoxazole and pyridine. As a benzoxazole group which is beneficial to molecular excited-state light emission and a heavy halogen bromine which is beneficial to excited-state intersystem crossing are introduced to the complex material, thus realizing good phosphorescent performance. The material has good solubility and thermal stability and is obtained by direct mixing reaction of the ligand and ethanol liquor of zinc bromide. The material has the advantages of simple and convenient process, simple equipment, easy availability of the raw materials, low cost and the like. The zinc bromide complex material can be used as photoluminescent materials in various colors and can be further used as light emitting layer materials in electroluminescent apparatuses comprising multilayers of organic materials.

The invention discloses an orange phosphorescent CuBrN2P type cuprous complex luminescent material based on benzoxazolylpyridine and a preparation method thereof. The phosphorescent complex of the present invention is obtained by a coordination reaction between cuprous bromide and a ligand, and its molecular structural formula is CuBr(2-PBO)(PPh3), where 2-PBO and PPh3 are respectively electrically neutral ligands 2 ‑(2‑benzoxazole)pyridine and triphenylphosphine. The complex not only has the advantages of easy purification of small molecules and high luminous efficiency, but also has the advantage of being easily dissolved in an organic solvent. The material is obtained by directly mixing and reacting cuprous bromide and a ligand solution, and has the advantages of simple process, simple equipment, easily available raw materials and low cost. The material can be used as a photoluminescence orange light material, and can also be used as a light-emitting layer phosphorescent material in an electroluminescence device composed of multi-layer organic materials.

The invention discloses an orange phosphorescence Cu (I) complex luminescence material and a preparation method thereof. The above phosphorescence complex is obtained by complexing a cuprous salt with ligands, and the molecular structure of the complex is Cu(2-PBO)(POP)(PF6), wherein POP and 2-PBO are electrically-neutral ligands and represent bis(2-diphenylphosphinophenyl)ether and 2-(2-pyridyl)benzoxazole respectively. The complex has the advantages of easy purification and high luminescence efficiency of a micromolecule, and has a high thermal stability. The material is obtained through a direct mixing reaction of Cu(CH3CN)4PF6 and an acetonitrile solution of the ligands, and has the advantages of simple technology, simple apparatus, easily available raw materials, low cost and the like. The material can be used as an orange photoluminescence material, and can also be used as a luminescent layer phosphorescence material in electroluminescent devices composed of multilayer organic materials.

The invention discloses a cuprous complex luminescent material capable of emitting orange-yellow phosphorescent light and a preparation method thereof. The phosphorescent complex of the luminescent material is obtained by carrying out complexing on a monovalent copper salt with a ligand; the molecular structure of the phosphorescent complex is [Cu(QBO)(PPh3)2]PF6, and in the formula, PPh3 and QBO are electrically neutral ligands triphenylphosphine and 2-(2-benzoxazole) quinoline. The complex has the advantages of easy micromolecular purification and high luminous efficiency, and also high thermal stability. The material is obtained by directly mixing and reacting Cu(CH3CN)4PF6 with a dichloromethane solution of the ligands, and has the advantages of simple and convenient process, simple equipment, easily available raw materials, low cost and the like. The material can be taken as a photoluminescent orange-yellow-light material and also can be used as a luminescent layer phosphorescent material in an electroluminescent device composed of a plurality of layers of organic materials.