Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

124 results about "Naphthalene diimide" patented technology

Nanometer photo-catalyst used in producing hydrogen by decomposing water under visible light response and application of nanometer photo-catalyst

The invention discloses a nanometer photo-catalyst used in producing hydrogen by decomposing water under visible light response and application of the nanometer photo-catalyst. The catalyst is a nanocomposite which is formed by taking a one-dimensional organic semiconductor nanofiber as a framework, coating the surface of the framework with an inorganic semiconductor titanium dioxide nanolayer and uniformly loading platinum nanoparticles, wherein the organic semiconductor nanofiber is prepared by self-assembling super molecules of perylene diimide and cycle-expanding derivatives, naphthalene diimide derivatives or hexabenzobenzene diimide derivatives with the photochemical stability, D-A structures and visible light response, then titanium dioxide is directly loaded in situ in a body phase organic solution and platinum is reduced and deposited through ultraviolet light in a photo-catalysis aqueous solution system. The catalyst is novel in structure, low in cost and available; the preparation process of the catalyst is simple, environmentally-friendly, low in energy consumption and suitable for preparation in scales; the catalyst is capable of decomposing water in the visible light to prepare the hydrogen, has the actual and wide application prospects in preparation of the hydrogen through decomposing the water in solar light and provides a novel idea and an important reference for forming an efficient photo-catalyst responding to the visible light.
Owner:XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI

N-type conjugated polymer containing quinoid structure and application of N-type conjugated polymer to organic photoelectric device

The invention relates to an n-type conjugated polymer containing a quinoid structure and the application of the n-type conjugated polymer to an organic photoelectric device. The conjugated polymer comprises three parts, and naphthalimide and a conjugated unit form a bithiophene group of the quinoid structure. The conjugated polymer has a wider absorption spectrum and a higher absorption coefficient, and can be used in an efficient organic solar cell as an efficient electron acceptor. A bithiophene unit capable of forming the quinoid structure is introduced into the n-type semiconductor conjugated polymer, so that the absorption coefficient of the polymer is greatly increased, the absorption spectrum is expanded, and the light current of a cell device and the efficiency of the cell device are greatly improved; the novel n-type conjugated polymer containing the quinoid structure, serving as the electron receptor, can reach the balance of the short-circuit current, the open-circuit voltage and the fill factor, and can be used to prepare the all-polymer solar cell with the energy exchange efficiency higher than 10%, and the performance of the cell greatly exceeds the performance of a cell with the existing receptor.
Owner:SOUTH CHINA UNIV OF TECH

Conjugate PI bridge connected furan based n-type conjugated polymer and application thereof in organic photoelectric devices

The invention relates to a conjugate PI bridge connected furan based n-type conjugated polymer and an application thereof in organic photoelectric devices. The conjugated polymer consists of two parts, i.e., naphthalimide and a conjugate PI bridge connected furan structure. The conjugated polymer has a relatively wide absorption spectrum, a relatively great absorption coefficient and relatively high electron mobility and can be applied to efficient organic solar cells as an efficient electron acceptor. According to the conjugate PI bridge connected furan based n-type conjugated polymer and theapplication thereof in the organic photoelectric devices, the D-A copolymerized n-semiconductor conjugated polymer is designed, thus, the absorption coefficient of the polymer can be greatly increased, the absorption spectrum is widened, the photocurrent of cell devices and the efficiency of the cell devices can be greatly improved; and the novel n-type conjugated polymer can achieve the equilibrium of short-circuit current, open-circuit voltage and packing factor as the electron acceptor, full-polymer solar cells with the energy conversion efficiency exceeding 10% are prepared, and the performance of the full-polymer solar cells is far superior to that of cells based on the existing acceptors.
Owner:SOUTH CHINA UNIV OF TECH

Preparation method of (1,3-dithio-2-carbonyl)-condensed naphthaldiimide/carbon nanotube composite thermoelectric material

ActiveCN106058034AEasy to achieve large-scale preparationOvercome the disadvantages of poor solubility and difficulty in uniform dispersionEnergy inputThermoelectric device junction materialsThermoelectric materialsAlcohol
The invention relates to a preparation method of a (1,3-dithio-2-carbonyl)-condensed naphthaldiimide/carbon nanotube composite thermoelectric material, and especially relates to a preparation method for forming a composite thermoelectric material by physically mixing naphthaldiimide derivatives with a carbon nanotube under the condition that ethanol/methyl chloride is taken as a mixed solvent. According to the preparation method, by taking the carbon nanotube as a base material, the naphthaldiimide derivatives as organic components and the ethanol/methyl chloride as the mixed solvent, at a room temperature, the (1,3-dithio-2-carbonyl)-condensed naphthaldiimide/carbon nanotube composite thermoelectric material is prepared through mechanical mixing. According to the invention, naphthaldiimide micromolecules with good dissolvability are compounded with the carbon nanotube with high conductivity, and the provided novel preparation method of the (1,3-dithio-2-carbonyl)-condensed naphthaldiimide/carbon nanotube composite thermoelectric material has the advantages of simple operation and good component dispersing uniformity and film forming ability.
Owner:BEIJING INSTITUTE OF CLOTHING TECHNOLOGY +2

Organic semiconductor material composition and semiconductor layer of organic field effect transistor and preparation method for semiconductor layer

The invention relates to an organic semiconductor material composition and a semiconductor layer of an organic field effect transistor and a preparation method for the semiconductor layer. The organic semiconductor material composition comprises a naphthalimide derivative, a polymer additive and an organic solvent. The organic semiconductor material composition disclosed in the invention can prepare the semiconductor layer of the organic field effect transistor by adopting film dropping or ink jetting and printing methods, so that preparation of the organic field effect transistor by adopting an all-soliton method or even an all-printing method can be realized, and production efficiency and production scale can be improved and enlarged; and in addition, the composition is high in stability in the air, the prepared semiconductor layer is high in crystallization property, the performance of the transistor can be improved, and operation of the organic field effect transistor at a low voltage (less than or equal to 5V) can be realized. Particularly, the semiconductor composition disclosed in the invention adopts the non-chlorine solvent which has relatively low pollution to environment and human body, so that the chlorine-containing solvent which cannot be degraded by microbe in environment easily and is commonly used in the existing organic semiconductor field can be replaced.
Owner:SHANGHAI MI FANG ELECTRONICS LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products