50results about How to "Suppression of non-radiative decay" patented technology

The invention discloses a cuprous complex orange red phosphorescent material based on benzoxazolyl quinoline and a preparation method of the orange red phosphorescent material. A phosphorescent complex is prepared by complexing cuprous salt with a ligand and has a following molecular structure: [Cu(2-QBO)(o-anisyl3P)2]PF6, wherein o-anisyl3P and 2-QBO are respectively an electroneutral phosphine ligand, namely tris(o-methoxyphenyl)phosphine and a neutral heterocyclic ligand, namely 2-(2-benzoxazolyl)quinoline. The phosphorescent complex has the advantages that small molecules are easily purified, the light emitting efficiency is high, and furthermore, the thermal stability is high. The orange red phosphorescent material is prepared by directly mixing and reacting Cu(CH3CN)4PF6 with a dichloromethane solution of the ligands and has the advantages that the process is simple and convenient, equipment is simple, the raw materials are easily available, and the cost is low. The orange red phosphorescent material can be used as a photoluminescent orange red light material and also can be used as a luminescent layer phosphorescent material in an electroluminescent device consisting of multiple layers of organic materials.

The invention discloses a red phosphorescence CuIN2P-type light emitting material with cuprous complexes and a method for manufacturing the red phosphorescence CuIN2P-type light emitting material. Cuprous iodide and ligands carry out coordination reaction to obtain the phosphorescence complexes of the red phosphorescence CuIN2P-type light emitting material. A molecular structural formula of the red phosphorescence CuIN2P-type light emitting material is CuI(2-PBO)(TXP-2, 5), and the 2-PBO and the TXP-2, 5 in the formula respectively represent electrically neutral ligand 2-(2-benzoxazole) pyridine and (2, 5-xylyl) triphosphine. The red phosphorescence CuIN2P-type light emitting material and the method have the advantages that small molecules of the complexes are easy to purify, and the complexes are high in light emitting efficiency and can be easily dissolved by organic solvents; liquor of the cuprous iodine and liquor of the ligands directly carry out mixed reaction to obtain the red phosphorescence CuIN2P-type light emitting material, accordingly processes are simple and convenient, equipment is simple, raw materials are easily available, and the red phosphorescence CuIN2P-type light emitting material is low in cost; the ed phosphorescence CuIN2P-type light emitting material not only can be used as a photoluminescence red light material, but also can be used as a phosphorescence material for a light emitting layer in an electroluminescence device with multiple layers of organic materials, and the like.

The invention discloses a crystalline benzimidazolyl quinoline based cuprous complex orange-yellow phosphorescent material and a preparation method therefor. The phosphorescent complex disclosed by the invention is prepared from a cuprous salt and a ligand through complexing and has a molecular structure of [Cu(2-QBI)(m-Tol3P)2]PF6, wherein 2-QBI and m-Tol3P are electrically-neutral heterocyclic ligands, i.e., benzimidazolyl quinoline and tri(m-methoxyphenyl)phosphine. The complex not only has the advantages of easiness in micromolecule purification and high luminescence efficiency, but also has high thermal stability. The material is prepared through directly mixing Cu(CH3CN)4PF6 with a dichloromethane solution of the ligands and carrying out a reaction, thereby having the advantages of simple and convenient process, simple equipment, easiness in raw material obtaining, low cost and the like. The material can serve as a photoluminescent orange-yellow phosphorescent material and can also serve as a phosphorescent material for a luminescent layer in an electroluminescent device made from multiple layers of organic materials.

The invention discloses a mixed cuprous complex luminescent material with yellowish green phosphorescence and a preparation method thereof. The phosphorescence complex is prepared by complexing cuprous salt and ligands. The molecular structure is Cu(Xantphos)(4-PBO)(CH3CN)(PF6), wherein the Xantphos and 4-PBO are electrically-neutral ligands 4,5-bisdiphenylphosphino-9,9-dimethylxanthene and 4-(2-benzooxazolyl)pyridine. The complex has the advantages of easy purification of small molecules and high luminescence efficiency, and can be easily dissolved by organic solvents. The material is prepared by directly mixing and reacting Cu(CH3CN)4PF6 with the two ligand solutions by multiple steps; and the method has the advantages of simple technique, simple equipment, accessible raw materials, low cost and the like. The material can be used as a photoluminescent yellow-light material, and can also be used as a luminescent layer phosphorescence material in an electroluminescent device composed of a multilayer organic material.

The invention discloses an orange phosphorescent CuIN2P cuprous complex luminous material and a preparation method of the luminous material. The phosphorescent complex is obtained by coordination reaction of cuprous iodide and a ligand, and has a molecular structural formula of CuI(2-PBO)(TXP-2,4), wherein 2-PBO and TXP-2,4 are electrically neutral ligands 2-(2-benzoxazole) pyridine and tri-(2,4xylyl) phosphine. The complex has the advantages that the complex is micromolecular and easy in purification, has high luminous efficiency and can be dissolved by an organic solvent easily. The material is obtained by directly mixing cuprous iodide and a ligand solution for reaction, and has the advantages of simple technology, simple equipment, easy availability of raw materials, low cost and the like. The material can serve as a photoluminescent orange material and a phosphorescent material of a luminous layer in an electroluminescent device consisting of a plurality layers of organic materials.

The invention discloses an orange phosphorescent CuIN2P cuprous complex light-emitting material based on benzoxazolyl pyridine and a preparation method thereof. A phosphorescent complex is prepared by means of a complexing reaction on cuprous iodide and ligand; the molecular structural formula of the phosphorescent complex is shown as CuI(2-PBO)(PPh3); in the formula, 2-PBO and PPh3 are electrically-neutral ligand 2(2-benzoxazole)pyridine and triphenylphosphine respectively. The complex has the advantages of easiness in purification of small molecules, high light-emitting efficiency, and easiness in dissolving by an organic solvent. The CuIN2P cuprous complex light-emitting material is prepared by means of a direct mixing reaction between the copper iodide and a solution of the ligand, and has the advantages of simple and convenient process, simple equipment, adoption of readily-available raw materials, low cost and the like. The CuIN2P cuprous complex light-emitting material can be taken as a photo-luminescent light-emitting orange luminescent material, and can be taken as a light-emitting layer phosphorescent material in an electroluminescent device consisting of multiple layers of organic materials.

The invention discloses a white-red phosphorescence three-coordination dual-core copper iodide cluster base complex light-emitting material and a preparation method thereof. A phosphorescence complex is obtained copper iodide and ligand through coordination reaction, and molecular structure of the phosphorescence complex is [CuI(o-anisyl3P)]2.(CH3CN)], wherein o-anisyl3P refers to electrically neutral ligand 3(o methoxy phenyl) phosphine. The complex has the advantages of easiness in extraction and high light-emitting efficiency that small molecules have and has the advantage of easiness in dissolving by using organic solvent. The material is obtained directly through mixing reaction of copper iodide and a solution of 3(o methoxy phenyl) phosphine, thereby having the advantages of being simple and convenient in process, simple in equipment, easy-to-get in raw material and low in cost. The material can serve as a photoluminescence white light material and can be used as a light emitting layer phosphorescence material in an electroluminescence device composed of multiple layer of organic materials.

The invention discloses a crystal form high-steric-hindrance diphosphine ligand BINAP cuprous coordination complex orange phosphorescent material and a preparation method thereof. A phosphorescent coordination complex is obtained by complexing of cuprous salt and ligand, and a molecular structure is [Cu(BINAP)(3-apy)(CH3CN)](PF6), wherein BINAP refers to high-steric-hindrance electrically-neutral diphosphine ligand 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl, and 3-apy refers to neutral heterocyclic ligand 3-aminopyridine. The coordination complex has advantages of easiness in micromolecular purification and high luminous efficiency and is high in thermal stability. The material which is obtained by direct mixing reaction of Cu(CH3CN)4PF6 and ligand dichloromethane solution has advantages of simplicity and convenience in process, equipment simplicity, easiness in acquisition of raw materials, low cost and the like. The material can serve as a photoluminescence orange phosphorescent material and can also serve as a luminescent layer phosphorescent material in electroluminescence devices formed by multiple layers of organic materials.

The invention belongs to the technical field of photoelectric materials, and particularly relates to an organic room-temperature electrophosphorescent material, a preparation method and an organic electroluminescent diode thereof. The organic room-temperature electrophosphorescent material provided by the invention has the characteristic structures of a fused arylamine electron donor D and an electron acceptor A. The fused arylamine electron donor D has the structure as shown in formula II-1 or II-2, and the fused arylamine electron donor provides molecular rigidity and inhibits non-radiative attenuation of triplet excitons; x regulates and controls intramolecular charge transfer and enhances the spin-orbit coupling effect, A serves as an electron acceptor to receive electrons provided by D, and finally effective room-temperature phosphorescence is obtained in an amorphous state.

The invention discloses a VOC fluorescent sensing material based on cuprous complexes, a preparation method of the VOC fluorescent sensing material and VOC fluorescent sensing application. A luminouscomplex is prepared by complexing univalent copper salts and ligands; the molecular structure is Cu(Xantphos)I; in the formula, the Xantphos is an electrically neutral diphosphine ligand of 4,5-bis(diphenylphospheno)-9,9-dimethylxanthene; I is a halogen iodide ligand. The complex has the advantages of easy purification of small molecules, and also has high thermal stability. The material is obtained by direct mixing and reaction on the CuI and the ligand acetonitrile solution and dichloromethane solution. The complex has the advantages that the process is simple and convenient; the equipment is simple; the raw materials can be easily obtained; the cost is low, and the like. The material can be used as the VOC fluorescent sensing material, and has the good selective fluorescent response tomethylamine steam.

The invention discloses a benzoxazolylisoquinoline-based cuprous complex orange-red phosphorescent material in crystal form and a preparation method thereof. The phosphorescent complex of the present invention is obtained by the complexation of a monovalent copper salt and a ligand, and its molecular structure is [Cu(2-iQBO)(p-Tol ₃ P) ₂ ]PF ₆ , where 2‑iQBO and p‑Tol ₃ P is the electrically neutral heterocyclic ligands benzoxazolylisoquinoline and tris(p-methylphenyl)phosphine. The complex not only has the advantages of easy purification of small molecules and high luminous efficiency, but also has high thermal stability. The material is made of Cu(CH ₃ EN) ₄ PF ₆ It can be directly mixed and reacted with the dichloromethane solution of the ligand, and has the advantages of simple process, simple equipment, readily available raw materials and low cost. The material can be used as a photoluminescent orange-red phosphorescent material, and can also be used as a light-emitting layer phosphorescent material in an electroluminescent device composed of multilayer organic materials.

The invention discloses a yellow/green cuprous complex phosphorescent material and a preparation method thereof. The phosphorescent complex is obtained by complexing cuprous salt and a ligand, wherein the molecular structure of the phosphorescent complex is [Cu(5-Me-2-PBO)(m-Tol3P)]PF6; and in the formula, 5-Me-2-PBO and m-Tol3P are respectively an electrically neutral ligand 5-methyl-2-(2-benzoxazole) pyridine and tris-(m-methylphenyl) phosphine. The complex not only has the advantages of easiness in purification of small molecules and high luminescent efficiency but also has high thermal stability. The material is obtained through direct hybrid reaction between Cu(CH3CN)4PF6 and a dichloromethane solution of the ligand and has the advantages of simple process and equipment, easily obtained raw materials, low cost, and the like. The material can serve as a photoluminescent yellow/green material or a luminescent layer phosphorescent material in an electroluminescent device formed by a plurality of layers of organic materials.

The invention belongs to the technical field of organic light-emitting materials, and particularly discloses a class of phthalimide organic light-emitting materials with aggregation-induced emission and linear force stimulation-light-emitting color change response, and application thereof. The light-emitting material comprises an asymmetric D-A-pi-D' or D-A-pi-A' structure, wherein a first electron donor (D) unit is phenothiazinyl or diarylamino, a first electron acceptor (A) unit is a rigid phthalimide group, the pi bridge is disubstituted phenyl, a second electron donor (D') unit is carbazolyl or substituted carbazolyl, and a second electron acceptor (A') unit is cyano. According to the invention, the organic light-emitting material has the linear force-induced color change characteristics of aggregation-induced emission and multi-stimulus response, and has wide application prospects in the fields of pressure sensors, optical data storage, memory chips, anti-counterfeiting marks and the like.

The invention discloses a green-yellow phosphorescent cuprous complex luminescent material, based on a unidimensional polymerization chain structure, of a crystal form, and a preparation method thereof. The phosphorescent complex is obtained by coordinate assembly of cuprous salt and ligands, and the molecular structure of the phosphorescent complex is [Cu(Xantphos)(3-CNPy)]n(PF6)n, wherein the Xantphos is electric-neutrality diphosphine ligand 4,5-diphenylphosphine-9,9-dimethylxanthene, the 3-CNPy is nitrogen-heterocyclic-ring ligand 3-cyanopyridine, and the n is the number of repetitive units of polymer structures and is similar to the degree of polymerization. The complex has the advantages of easiness in micromolecule purification and high luminescence efficiency, and has high thermalstability. The material is obtained from direct hybrid reaction between Cu(CH3CN)4PF6 and acetonitrile/dichloromethane solutions of the ligands, and has the advantages of simplicity and convenience inprocess, simple equipment, easiness in raw material acquisition, low cost and the like. The material can serve as a green-yellow photoluminescent phosphorescent material, and can also serve as a luminescent-layer phosphorescent material in an electroluminescence device made from multilayer organic materials.