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A method for preparing a transfer-free, high-adhesion metal grid transparent electrode

A metal grid and transparent electrode technology, which is applied in the manufacture of conductive/semiconductive layer equipment, cable/conductor manufacturing, circuits, etc., can solve the complex transfer process, poor adhesion, and limitations of large-area flexibility of organic optoelectronic devices and other problems, to achieve the effect of low cost, simple method, super mechanical bending resistance and stability

Active Publication Date: 2019-12-20
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to improve mechanical flexibility, transfer printing technology has been widely used, but the transfer process is complicated, and there is a disadvantage of poor adhesion between metal nanowires and substrates, which greatly limits the large-area flexible preparation of organic optoelectronic devices and its application.
At present, there are relatively few researches in the technical field of solving the adhesion between metal and substrate.

Method used

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  • A method for preparing a transfer-free, high-adhesion metal grid transparent electrode
  • A method for preparing a transfer-free, high-adhesion metal grid transparent electrode
  • A method for preparing a transfer-free, high-adhesion metal grid transparent electrode

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034]

[0035] a) Weigh 0.09 g of tris(hydroxymethyl)methylamine hydrochloride and 0.17 g of tris(hydroxymethyl)aminomethane and dissolve them in 200 mL of deionized water, add 0.4 g of dopamine (DA) to dissolve and form a polydopamine (PDA) solution .

[0036]b) Immediately immerse the oxygen plasma-treated substrate (polyethylene terephthalate, PET) in the buffer solution a) and react for 20 min, and put the PDA-coated substrate in an oven at 60 °C for 15 min .

[0037] c) Add 0.815 g of silver nitrate into 20 mL of deionized water, stir to dissolve it, add dropwise 40 μL of 0.25mol / L potassium hydroxide solution, and add 28% ammonia water (about 950 μL) dropwise until the solution becomes cloudy again clarify.

[0038] d) Add 6.84 g of glucose into 20 mL of deionized water, stir to dissolve it, and add it into 10 mL of anhydrous methanol solution as a reducing agent.

[0039] e) The solutions obtained in steps c) and d) were quickly stirred and poured into a watch gl...

Embodiment 2

[0043]

[0044] a) Weigh 0.0301 g of polyethyleneimine (PEI), and dissolve it in 10 mL of deionized water by ultrasonic.

[0045] b) Spin-coat 50 μL of the solution in a) on the substrate treated with oxygen plasma at a speed of 4000 rpm for 1 min, put the PEI-coated substrate in an oven for 60 min and control the temperature at 60°C .

[0046] c) Add 0.815 g of silver nitrate into 20 mL of deionized water, stir to dissolve it, add dropwise 40 μL of 0.25mol / L potassium hydroxide solution, and add 28% ammonia water (about 950 μL) dropwise until the solution becomes cloudy again clarify.

[0047] d) Add 6.84 g of glucose into 20 mL of deionized water, stir to dissolve it, and add it into 10 mL of anhydrous methanol solution as a reducing agent.

[0048] e) The solutions obtained in steps c) and d) were quickly stirred and poured into a watch glass, and the substrate containing the surface coating was placed in the reaction for 10 min.

[0049] f) Place the conductive film ...

Embodiment 3

[0052]

[0053] a) Weigh 0.0503 g of polyallylamine (PAA), and ultrasonically dissolve it in 10 mL of deionized water.

[0054] b) Spin-coat 50 μL of the solution in a) on the substrate treated with oxygen plasma at a speed of 4000 rpm for 1 min, put the PAA-coated substrate in an oven for 60 min and control the temperature at 60°C .

[0055] c) Add 0.815 g of silver nitrate into 20 mL of deionized water, stir to dissolve it, add dropwise 40 μL of 0.25mol / L potassium hydroxide solution, and add 28% ammonia water (about 950 μL) dropwise until the solution becomes cloudy again clarify.

[0056] d) Add 6.84 g of glucose into 20 mL of deionized water, stir to dissolve it, and add it into 10 mL of anhydrous methanol solution as a reducing agent.

[0057] e) The solutions obtained in steps c) and d) were quickly stirred and poured into a watch glass, and the substrate containing the surface coating was placed in the reaction for 10 min.

[0058] f) Place the conductive film ob...

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PUM

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Abstract

A preparation method for transparent electrodes of transparent electrode -free metal mesh, on the base with high adhesive surface function coating, grows the metal conductive film in situ, placed the mask plate on the metal film for thinningThe metal that has not been protected by the sanctucting board is prepared to prepare a transparent electrode in metal, and shows high transparency conductivity and uniform appearance.It was found that the block resistor of the metal film transparent electrode was almost unchanged through 200 3M tape adhesion and 1,000 mechanical bending tests, which had super strong adhesion and mechanical bending stability.The entire preparation process is to achieve transfer technology in low temperature environments.The method of the present invention is simple, easy, and controllable. It is suitable for carried by different bases (flexible, rigid).The electrode materials obtained from the present invention have high adhesion and high transparency conductivity, so they have a good application prospect in the field of flexible optoelectricity devices such as solar cells.

Description

technical field [0001] The invention belongs to the field of optoelectronic devices and relates to a preparation method of a metal thin film transparent electrode. Background technique [0002] Flexible organic optoelectronic devices have broad commercial application prospects due to their thinness, flexibility, and ease of large-area fabrication at low temperature and in a non-vacuum environment. At present, flexible transparent electrodes have been widely used in flexible electronic devices such as touch screens and liquid crystal displays. As an important part of extracting and collecting charges generated by optoelectronic devices, they play a key role in the performance of flexible organic optoelectronic devices, requiring them to have high transparency. Luminosity and conductivity. In addition, the mechanical stability that needs to be exhibited when bending or stretching is also critical. Commercial indium tin oxide (ITO) is limited by its brittleness, high temperat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B13/00H01B5/14H01L51/00
CPCH01B5/14H01B13/0026H10K71/60Y02E10/549
Inventor 谈利承陈义旺王青霞胡婷
Owner NANCHANG UNIV
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