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Flexible composite transparent conductive film and preparation method thereof

A transparent conductive film, flexible technology, applied in the direction of equipment for manufacturing conductive/semiconductive layers, cable/conductor manufacturing, conductive layers on insulating carriers, etc., can solve the problem that the photoelectric properties of zinc oxide-based transparent conductive films are not good enough, etc. problems, to achieve a wide range of usable, independent of equipment, good crystallinity

Active Publication Date: 2016-12-14
SHENZHEN GUOHUA OPTOELECTRONICS +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a new type of flexible composite transparent conductive film, aiming to solve the problem that the photoelectric properties of the existing zinc oxide-based transparent conductive film are not good enough

Method used

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  • Flexible composite transparent conductive film and preparation method thereof
  • Flexible composite transparent conductive film and preparation method thereof
  • Flexible composite transparent conductive film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Step 1: Prepare the substrate

[0036] Cut the PET substrate into a size of 2cm×2cm, then put it into deionized water and absolute ethanol (99.5% by mass percentage concentration) and clean it with ultrasonic waves for 15min each, then wash it with deionized water, and then put the substrate into an electric heater. Dry at 50° C. for 10 minutes in a constant temperature drying oven, and then take it out to obtain a spare substrate.

[0037] Step 2: Configure Precursor Solution

[0038] Mix zinc acetate dihydrate, ethylene glycol methyl ether and ethanolamine at a temperature of 50°C to obtain a precursor solution;

[0039] Dosage: 10mL of the precursor solution contains 1.0083g of zinc acetate dihydrate, 0.2855g of ethanolamine and the balance of ethylene glycol methyl ether.

[0040] The third step: preparation of zinc oxide film (sol-gel method)

[0041] Place the PET substrate cleaned in the first step on the correct position of the spin coater and fix it. Set the...

Embodiment 2

[0060] Step 1: Prepare the substrate

[0061] Cut the polypropylene substrate into 2cm×2cm size, then put it in deionized water and absolute ethanol and clean it with ultrasonic waves for 20min each, then wash it with deionized water, then put the substrate into an electric constant temperature drying oven at 60℃ Dry at high temperature for 15 minutes, and then take out to obtain a spare substrate.

[0062] Step 2: Configure Precursor Solution

[0063] Mix zinc acetate dihydrate, ethylene glycol methyl ether and ethanolamine at a temperature of 60°C to obtain a precursor solution;

[0064] Dosage: 10mL of the precursor solution contains 0.5g of zinc acetate dihydrate, 0.2g of ethanolamine and the balance of ethylene glycol methyl ether.

[0065] The third step: preparation of zinc oxide film (sol-gel method)

[0066] Place the polypropylene substrate cleaned in the first step on the correct position of the spin coater and fix it. Set the low speed to 400-600r / min for 5-10s,...

Embodiment 3

[0074] Step 1: Prepare the substrate

[0075] Cut the polycarbonate substrate into a size of 2cm×2cm, then put it into deionized water and absolute ethanol in turn, clean it with ultrasonic waves for 10min, wash it with deionized water, and then put the substrate into an electric constant temperature drying oven for 40 ℃ for 10 minutes, and then taken out to obtain a spare substrate.

[0076] Step 2: Configure Precursor Solution

[0077] Mix zinc acetate dihydrate, ethylene glycol methyl ether and ethanolamine at a temperature of 40°C to obtain a precursor solution;

[0078] Dosage: 10mL of the precursor solution contains 2g of zinc acetate dihydrate, 0.4g of ethanolamine and the balance of ethylene glycol methyl ether.

[0079] The third step: preparation of zinc oxide film (sol-gel method)

[0080] Place the polycarbonate substrate cleaned in the first step on the correct position of the spin coater and fix it. Set the low speed to 400-600r / min for 5-10s, and the high spe...

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Abstract

The invention belongs to the field of conductive materials, and discloses a flexible composite transparent conductive film. A zinc oxide film is arranged on a substrate, and a silver nano wire is arranged on the zinc oxide film. The invention also discloses a method for preparing the transparent conductive film. The method includes steps of performing preprocessing on the substrate, performing spin coating of the zinc oxide film on the substrate, dispensing silver nano wire disperse solution on the zinc oxide film, and performing drying treatment. According to the transparent conductive film, the requirements of low sheet resistance and high light transmittance are met, the light transmittance is 70-95%, and the sheet resistance reaches 15 ohms / square. By employing the preparation method, the source of raw materials is abundant, the operation is simple, the repeatability is good, the dependence on equipment is prevented, vacuum equipment is not needed, high-temperature conditions are not needed, the cost is low, and the time consumption is low.

Description

technical field [0001] The invention belongs to the field of conductive materials, in particular to a flexible composite transparent conductive film and a preparation method thereof. Background technique [0002] The transparent conductive film (TCF) has a light transmittance of more than 70% in the visible light range, and has excellent electrical conductivity. The surface resistance is 1-1000Ω / □. It is a very important photoelectric functional film material and is widely used In optoelectronic devices such as solar cells, touch screens, flat panel displays, organic light-emitting diodes, and organic photovoltaics. With the rapid development of optoelectronic devices, we have higher requirements for the performance of transparent conductive films, including lower production costs, greater flexibility and better optoelectronic properties. At present, according to different materials, transparent conductive films are mainly divided into: metal film, metal composite film, oxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B5/14H01B13/00
CPCH01B5/14H01B13/00H01B13/0026
Inventor 周国富杨志华水玲玲金名亮李楠
Owner SHENZHEN GUOHUA OPTOELECTRONICS
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