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Silk-based flexible transparent conductive film based on silver nanowire/graphene

A transparent conductive film, silver nanowire technology, applied in conductive layers on insulating carriers, nanotechnology for materials and surface science, nanotechnology, etc. Stability, reduce device performance and other issues, to achieve the effect of excellent light transmission performance

Active Publication Date: 2019-08-02
JIANGSU HUAJIA SILK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, silver nanowire films face an important problem in practical applications, that is, the activity of metals makes the thermal and chemical stability of silver nanowire films poor, which easily leads to unstable electrical properties of the film, thereby reducing device performance (Lan Qiuming , Li Jiabao, He Xin, Chen Ning, Zhang Mei, Zeng Qingguang. Study on Photoelectric Properties and Stability of Graphene / Silver Nanowire Composite Transparent Conductive Thin Film[J]. Journal of Synthetic Crystals, 2015,44(12):3788-3792+3798 )
In addition, since AgNWs are mainly combined with the substrate material through van der Waals force, the pure AgNWs film is easily torn off from the surface of the substrate, which greatly limits its application in practical production.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Prepare the silver nanowires into a 1g / L aqueous solution, and then add 1g / L of an amino-terminated hyperbranched polymer or an aqueous solution of a hydroxyl-terminated hyperbranched polymer, the amino-terminated hyperbranched polymer or the hydroxyl-terminated hyperbranched polymer The volume ratio of the polymer aqueous solution to the silver nanowire aqueous solution is 1:1. After stirring and reacting at a constant speed at room temperature for 24 hours, it is repeatedly washed with deionized water and ethanol, and dried to obtain amino-terminated hyperbranched polymer-modified silver nanowires or hydroxyl-terminated polymers. Hyperbranched polymer modified silver nanowires. (2) After ultrasonically cleaning the silicon wafer with ethanol, acetone, and water for 20 minutes, use nitrogen to dry the surface of the silicon wafer, and soak the silicon wafer in a 5% volume fraction of silane coupling agent KH-550 aqueous solution for 24 hours at room temperature. Ra...

Embodiment 2

[0019] (1) Prepare the silver nanowires into a 5g / L aqueous solution, and then add 5g / L of an amino-terminated hyperbranched polymer or an aqueous solution of a hydroxyl-terminated hyperbranched polymer, the amino-terminated hyperbranched polymer or the hydroxyl-terminated hyperbranched polymer The volume ratio of the polymer aqueous solution to the silver nanowire aqueous solution is 1:5. After stirring and reacting at a constant speed at room temperature for 24 hours, it is repeatedly washed with deionized water and ethanol, and dried to obtain the amino-terminated hyperbranched polymer-modified silver nanowire or hydroxyl-terminated polymer. Hyperbranched polymer modified silver nanowires. (2) After ultrasonically cleaning the silicon wafer with ethanol, acetone, and water for 20 minutes, use nitrogen to dry the surface of the silicon wafer, and soak the silicon wafer in a 5% volume fraction of silane coupling agent KH-550 aqueous solution for 24 hours at room temperature. ...

Embodiment 3

[0021] (1) Prepare silver nanowires into a 10g / L aqueous solution, and then add 10g / L of amino-terminated hyperbranched polymer or hydroxyl-terminated hyperbranched polymer aqueous solution, the amino-terminated hyperbranched polymer or the hydroxyl-terminated hyperbranched polymer The volume ratio of the polymer aqueous solution to the silver nanowire aqueous solution is 1:10. After stirring and reacting at a constant speed at room temperature for 24 hours, it is repeatedly washed with deionized water and ethanol, and dried to obtain the amino-terminated hyperbranched polymer modified silver nanowire or hydroxyl-terminated polymer. Hyperbranched polymer modified silver nanowires. (2) After ultrasonically cleaning the silicon wafer with ethanol, acetone, and water for 20 minutes, use nitrogen to dry the surface of the silicon wafer, and soak the silicon wafer in a 5% volume fraction of silane coupling agent KH-550 aqueous solution for 24 hours at room temperature. Ratio 1:50, ...

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PUM

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Abstract

The invention discloses a silver nanowire / graphene-based silk flexible transparent conductive film. A silver nanowire-graphene oxide is formed on the surface of a silicon wafer through electrostatic self-assembly; and a silk fibroin solution is dropwise added after hydroiodic acid reduction, and is dried and then stripped from the surface of the silicon wafer to obtain the silk flexible transparent conductive film with excellent light transmission property, conductivity, adhesion property, biocompatibility and biodegradability. The silver nanowire / graphene-based silk flexible transparent conductive film has a great application prospect in the field of photoelectric devices and wearable devices with the biocompatibility.

Description

technical field [0001] The invention relates to a silk-based flexible transparent conductive film based on silver nanowire / graphene, which belongs to the field of photoelectric materials. Background technique [0002] The regenerated silk fibroin produced by degumming, dissolving and purifying silk is non-toxic, non-irritating, biodegradable, biocompatible, and has good mechanical properties, and is easy to process into various forms, such as silk protein film, gel, Fibers, three-dimensional scaffolds, sponges, etc. are usually used in the fields of biology and medicine, and can be used as drug sustained release carriers, tissue engineering scaffolds, surgical sutures, artificial skin, artificial tendons, cell culture carriers, wound dressings, etc. With the in-depth research on silk, it is found that silk protein has a light transmittance as high as 90% in the visible light range of λ=400-700nm, excellent mechanical properties, and can be processed into films with a thickne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B5/14H01B13/00H01B1/22H01B1/24B82Y30/00
Inventor 赵兵
Owner JIANGSU HUAJIA SILK