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Organic photoelectric material and preparation method thereof

A technology of organic photoelectric materials and photoelectric conversion materials, which is applied in the direction of conductive coatings, photovoltaic power generation, anti-corrosion coatings, etc., and can solve the problems of polyurethane retention and polyurethane polymer materials that are difficult to have photoelectric conversion properties.

Active Publication Date: 2021-09-24
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the prior art, the photoelectric conversion performance of polyurethane is still in the preliminary research stage, and no effective improvement has been made on polyurethane polymer materials, making it difficult for polyurethane polymer materials to have excellent photoelectric conversion performance

Method used

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  • Organic photoelectric material and preparation method thereof
  • Organic photoelectric material and preparation method thereof
  • Organic photoelectric material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0037] A method for preparing an organic photoelectric material, comprising the steps of:

[0038] (1) Weighing: Weigh according to the following raw materials: tetramethylene diisocyanate 40g; 2-oxiranyl-1,3 propanediol 20g; conductive carbon fiber 5g; 2,2-dimethylol propionic acid 25g; GaAs 15g; maleic anhydride 6g, spare;

[0039] (2) Oxidation of the surface of conductive carbon fiber: place the conductive carbon fiber weighed in step (1) in an ethanol / acetone solution with a volume ratio of 1:1, reflux for 48 hours, take it out, and dry it in an oven at 70°C. Weigh at regular intervals, stop drying until the last two weights no longer change, then mix the treated conductive carbon fiber with a concentrated nitric acid solution with a mass fraction of 69%, and the volume of the concentrated nitric acid solution 40mL, and ultrasonically treated at a temperature of 50°C, an ultrasonic power of 200W, and an ultrasonic frequency of 50kHz for 1.5h, then washed with water until...

Embodiment 2

[0045] A method for preparing an organic photoelectric material, comprising the steps of:

[0046] (1) Weighing: Weigh according to the following raw materials: 45g of hexamethylene diisocyanate; 25g of 2-oxiranyl-1,4-butanediol; 8g of conductive carbon fiber; 2,2-dimethylol Propionic acid 27g; InP 18g; Maleic anhydride 7g, spare;

[0047] (2) Oxidation of the surface of the conductive carbon fiber: put the conductive carbon fiber weighed in step (1) in an ethanol / acetone solution with a volume ratio of 1:1, reflux for 48 hours, take it out, and put it in an oven at 80°C for drying. Weigh at regular intervals, stop drying until the last two weights no longer change, then mix the treated conductive carbon fiber with a concentrated nitric acid solution with a mass fraction of 69%, and the volume of the concentrated nitric acid solution It was 48mL, and treated at a temperature of 80°C, an ultrasonic power of 200W, and an ultrasonic frequency of 50kHz for 1.25h, then washed with...

Embodiment 3

[0053] A method for preparing an organic photoelectric material, comprising the steps of:

[0054] (1) Weighing: Weigh the raw materials according to the following weights: 50g of isophorone diisocyanate; 30g of 3-oxirane-2,5-pentanediol; 10g of conductive carbon fiber; 2,2-dimethylol Propionic acid 30g; CdS 20g; Maleic anhydride 8g, spare;

[0055] (2) Oxidation of the surface of conductive carbon fiber: place the conductive carbon fiber weighed in step (1) in an ethanol / acetone solution with a volume ratio of 1:1, reflux for 48 hours, take it out, and dry it in an oven at 90°C. Weigh at regular intervals, stop drying until the last two weights no longer change, then mix the treated conductive carbon fiber with a concentrated nitric acid solution with a mass fraction of 69%, and the volume of the concentrated nitric acid solution 50mL, and ultrasonic treatment at a temperature of 100°C, an ultrasonic power of 200W, and an ultrasonic frequency of 50kHz for 1h, then washed wit...

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Abstract

The invention relates to an organic photoelectric material and a preparation method thereof. The organic photoelectric material is prepared from diisobutyronitrile, polyol, conductive carbon fibers, a hydrophilic chain extender, a photoelectric conversion material and a compatilizer. A large amount of carboxyl is enriched on the surface of the conductive carbon fiber; a chain of a polyurethane prepolymer further comprises an epoxy group, so that the polyurethane prepolymer has viscosity, after a polyurethane high-molecular compound is grafted on the conductive carbon fiber, a photoelectric conversion material is coated between the polyurethane prepolymer and the conductive carbon fiber, then the polyurethane prepolymer is subjected to chain extension, the polyurethane material is modified through the conductive carbon fiber, the conductive carbon fiber provides current carriers to conduct electricity and promote the photoelectric conversion effect, the polyurethane firmly bonds the photoelectric conversion particles together, photoelectric conversion is carried out through the photoelectric conversion material, and the effective photoelectric conversion effect is achieved.

Description

technical field [0001] The invention belongs to the technical field of photoelectric materials, and relates to an organic photoelectric material, a preparation method and an application. Background technique [0002] Organic optoelectronic materials refer to organic materials with photoelectric conversion function, organic materials with optical and electrical properties, and also refer to materials used to manufacture various optoelectronic devices. Organic optoelectronic materials are a class of organic materials with optoelectronic activity, usually organic molecules rich in carbon atoms and with large π-conjugated systems, including small molecules and polymers. [0003] Conductive polymers in the prior art are often: conductive plastics, conductive rubber, conductive fibers, conductive adhesives or conductive coatings, wherein the conductive adhesives are sticky and the conductive coatings are easy to coat, the conductive adhesives in the conductive polymers There are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00C08K3/01C08K3/32C08K3/30C09D5/24C09D5/08
CPCC08G83/001C08K3/01C08K3/32C08K3/30C09D5/24C09D5/08C08K2003/3009Y02P70/50
Inventor 白丹冯虎虎冉晨鑫陈永华黄维
Owner NORTHWESTERN POLYTECHNICAL UNIV
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