95results about How to "Improve hole transport performance" patented technology

The invention relates to a carbon nanotube/poly Schiff base polymer, a preparation method thereof, and an application thereof. The invention relates to a composite material of carbon nanotube and poly Schiff base, a preparation method thereof, and an application thereof. With the polymer and the methods provided by the invention, problems of existing poly Schiff base of low photoelectrochromic response sensitivity and poor thermal stability are solved. According to the invention, aminated carbon nanotubes, aromatic diamine monomers, and dialdehyde compounds are subject to an in situ polymerization reaction, such that the product is obtained. First, aminated carbon nanotubes and part of dialdehyde compounds are mixed and heated until reflux liquid is generated; then aromatic diamine monomers and rest dialdehyde compounds are mixed and injected in batches, and the reaction is continued, such that the product is obtained. The polymer provided by the invention provides electrochromic, acidichromic, and photochromic performances, and has good thermal stability. Therefore, the polymer can be used in displays and acid-base sensors. The polymer has high electrochromic, acidichromic, and photochromic sensitivity, and provides reversible acidichromic and photochromic performances.

The invention relates to a POSS hybridized hole transporting material and a preparation method thereof. The material is prepared by at least one POSS monomer containing active groups and at least one organic monomer having hole transporting function by chemical reaction; wherein, the mass ratio between the POSS monomer containing the active groups and the organic monomer having the hole transporting function is 0.1 to 80 : 99.9 to 20. The material can be widely applied to the fields of electroluminescent elements, luminescent apparatuses, diodes, photovoltaic cells and photosensitive components, and the like..

The present invention relates to the field of organic electroluminescence, and can provide an organic compound represented by a general formula (1). The present invention also provides an organic electroluminescent element produced by using the compound as a hole transport material.

The invention provides a condensed ring-containing triarylamine compound and an organic light-emitting device thereof, and relates to the technical field of organic photoelectric materials. The condensed ring-containing triarylamine compound has excellent hole transport performance, has the advantages of high luminous efficiency and low driving voltage, is a good hole transport material, and can improve the luminous efficiency of an organic light-emitting device, prolong the service life of the organic light-emitting device and reduce the driving voltage of the device; and the condensed ring-containing triarylamine compound provided by the invention is applied to the organic light-emitting device as a covering layer material, so that the light extraction efficiency can be improved, the light-emitting efficiency of the organic light-emitting device is improved, and meanwhile, the service life of the device can be prolonged. The triarylamine organic compound is simple to synthesize and easy to operate, and can be widely applied to the fields of panel display, lighting sources, organic solar cells, organic photoreceptors or organic thin film transistors and the like.

The invention provides a triarylamine organic compound and an organic light-emitting device thereof, and relates to the technical field of organic photoelectric materials. According to the invention, triarylamine is taken as a center and connected with a benzo alicyclic group, so that the electron donating ability of the compound is further enhanced, and the compound has the advantages of excellent hole transport performance, high luminous efficiency and low driving voltage, and is a good hole transport material. The triarylamine organic compound provided by the invention is applied to the organic light-emitting device as a covering layer material, and the light extraction efficiency can be improved, so that the light-emitting efficiency of the organic light-emitting device is improved. The triarylamine organic compound disclosed by the invention is good in film-forming property, high in glass transition temperature (Tg), relatively good in stability, simple in synthesis and easy to operate, and can be widely applied to the fields of panel display, lighting sources, organic solar cells, organic photoreceptors or organic thin film transistors and the like.

The invention relates the preparing method of N, N'- 3-methyl phenyl)-N, N' -diphenylbenzidine, belonging to organic semiconductor hole transport material preparing technique field. The method comprises the following steps: using halogeno-benzene and 3- methyl diphenylamine as raw material, using toluene as dissolvant, using cuprous iodide with N-dimethyltoluamide or diphyridyl as accelerating agent, carrying out reaction in the potassium hydrate system, decolouring, washing, drying, distilling, getting bullion, purifying with the mixture of toluene, hexane and methanol, getting the product. The invention has the advantages of reducing cost, and improving quality. The product can be used as the key material of organic photoconductive drum.

The invention relates to ring metal platinum complexes electro phosphorescence material containing tri-fragrant amine function group. Its manufacturing includes the following steps: linkage of pyridine heterocyclic compound and tri-fragrant amine to form CN bi-tooth ligand; further reacting with platinum ion and OO anion auxiliary ligand to gain the new type single ring metal platinum complexes electro phosphorescence material. The invention mixes ring metal platinum complexes with PFO and PVK to form polymer electro phosphorescence device. It can adjudge electronic structure, hole-injection, and transmission performance to renovate electroluminescence of the device. The invention can be applied to organic electroluminescence field, especially used to manufacture high performance organic electroluminescence device.

The invention provides a fluorene compound and a light-emitting device thereof. Fluorene functional groups with rigid structures are introduced into organic compounds through unique large-steric-hindrance connection sites. The formed fluorene compound has excellent film-forming property and thermal stability, and can be used for preparing organic electroluminescent devices. The fluorene compound disclosed by the invention is particularly suitable for preparing a blue organic light-emitting device, and can be used as a constituent material of a hole transport layer, an electron blocking layer,a light-emitting layer, a hole blocking layer or an electron transport layer. More importantly, the fluorene compound provided by the invention has excellent transmission performance and luminescenceperformance, and can reduce the driving voltage of an organic electroluminescent device, improve the efficiency of the device and prolong the service life of the device when being used as a luminescent layer material, especially a blue light luminescent layer material. The fluorene compound is excellent in device performance, the preparation method is simple, raw materials are easy to obtain, andthe industrial development requirement can be satisfied.

The invention provides a hole transport material and a preparation method thereof, application of a hole transport material, and a perovskite solar cell containing a hole transport material. The holetransport material has structures shown in the formula I and/or the formula II. The hole transport material provided by the invention has excellent solubility and a good hole transport performance, can obtain a better film morphology, has adjustable photoelectric performance, and can be applied to perovskite solar cells.

The present application relates to an organic compound, an electronic device comprising the organic compound, and an electronic apparatus comprising the electronic device. The main body of the organiccompound is a fused heteroaromatic ring group containing fluorene or silafluorene, a large-plane structure is shown in a three-dimensional space, and an electron-rich aryl amine or heteroaryl amine substituent group is introduced to the ninth position of fluorene or silafluorene, so that the hole transport performance of the compound is excellent.

The invention relates to a carbazolyl triarylamine hole transmission material and a synthesis method thereof. The method comprises the following steps: 1) preparing ethylcarbazole; 2) preparing 3-bromo-N-ethyl-carbazole; 3) preparing 4-(N-phenyl-carbazolyl)aniline; and 4) preparing di-[3-(9-ethyl)-9H-carbazolyl]-[4-(3-(9-phenyl)-9H-carbazolyl)-phenyl]amine. The chemical general formula is disclosed in the specification, wherein Q1 is C2-C6 alkyl-substituted 9-site carbazolyl group, and Q2 is C2-C6 alkyl-substituted carbazolyl group or substituent group with the same structure as Q1. The synthesized compound has excellent hole transmission performance, and has potential application value.