Method of preparing silver nanowire and transparent conductive film of silver nanowire

A technology of transparent conductive film and silver nanowire, which is applied in the direction of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems such as the difficulty of preparing a transparent conductive film with square resistance, and achieve small surface resistance and preparation The method is simple and the effect of light transmission is good

Inactive Publication Date: 2016-07-13
深圳市东方亮化学材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under the condition of similar light transmission properties, there are certain difficulties in preparing transparent conductive films with small sheet resistance and good adhesion properties.

Method used

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  • Method of preparing silver nanowire and transparent conductive film of silver nanowire
  • Method of preparing silver nanowire and transparent conductive film of silver nanowire
  • Method of preparing silver nanowire and transparent conductive film of silver nanowire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A preparation method of silver nanowire transparent conductive film is as follows:

[0030] (1) Add 1.11 g of polyvinylpyrrolidone and 0.03 g of NaCl to the polyol solution of 0.85 g of silver nitrate, mix and stir for 10 minutes to obtain a mixed solution; the polyol is ethylene glycol, and the volume is 0.05 L;

[0031] (2) Pour the mixed solution of step (1) into the reactor, react at 160 DEG C for 7h, and wash and stand for 3-4 times with deionized water to obtain silver nanowires; the prepared silver nanowires have better aspect ratio. The prepared silver nanowires have a diameter of about 100nm and a length of 30-50um.

[0032] (3) The dehydrated ethanol dispersion liquid that concentration is 0.1mol / l silver nanowire is added dropwise on the glass substrate and is 500r / min spin coating through 10s rotating speed; Then the glass substrate that spin is coated with silver nanowire is placed On a heating plate at 100°C for 10s to volatilize absolute ethanol; then d...

Embodiment 2

[0037] It is basically the same as in Example 1, except that the spin coating speed of the silver nanowire dispersion in absolute ethanol is 1000 r / min.

Embodiment 3

[0039] It is basically the same as in Example 1, except that the spin-coating speed of the silver nanowire dispersion in absolute ethanol is 2000 r / min.

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Abstract

The invention discloses a method of preparing a silver nanowire and a transparent conductive film of the silver nanowire, and belongs to the technical field of nano material synthesis and thin film preparation.The transparent conductive film has high light transmission and low surface resistance.The method for preparing the silver nanowire is simple, the prepared silver nanowire is good in diameter uniformity, the conductive film is good in light transmission and low in surface resistance, and the silver nanowire can be applied to preparation of the transparent conductive film, so that the prepared conductive film is good in light transmission and low in surface resistance.Under the condition of similar light transmitting performance, the prepared transparent conductive film is low in square resistance, and meanwhile good adhesion performance is achieved.

Description

technical field [0001] The invention belongs to the technical field of nanometer material synthesis and film preparation, and in particular relates to a method for preparing silver nanowires and a transparent conductive film thereof. The transparent conductive film has high light transmittance and low surface resistance. Background technique [0002] In addition to indium tin oxide (ITO), materials for preparing transparent conductive films (TCFs) include graphene, carbon nanotubes, and metal nanowires. Among them, the transparent conductive film of silver nanowires, because the preparation of silver nanowires is relatively simple, it can be formed into a film on a hard substrate, and can also be formed on an organic flexible substrate, and the prepared TCFs have excellent light transmission properties And small surface resistance, it will have a wide range of applications in the fields of optoelectronics, biosensing, catalysis, diodes and touch screens. [0003] A lot of r...

Claims

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Application Information

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IPC IPC(8): B22F9/24B22F1/00B82Y40/00B82Y30/00C03C17/00
CPCB82Y30/00B82Y40/00C03C17/009B22F9/24B22F1/054
Inventor 何岗卫文飞梁树华胡卫南
Owner 深圳市东方亮化学材料有限公司
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