Fabrication and evaluation of adhesion enhanced flexible carbon nanotube transparent conducting films

Single-walled carbon nanotubes (SWCNTs) were dispersed in water with the help of a combination of surfactants to achieve a high concentration SWCNT ink. Transparent conducting films (TCFs) were fabricated through a rod-coating method using the SWCNT ink. The addition of binders (polyacrylic acid or...

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Veröffentlicht in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2015-01, Vol.3 (15), p.3796-3802
Hauptverfasser: Wang, Yan, Yang, Hai-Jie, Geng, Hong-Zhang, Zhang, Ze-Chen, Ding, Er-Xiong, Meng, Yan, Luo, Zhi-Jia, Wang, Jing, Su, Xiao-Mei, Da, Shi-Xun
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container_issue 15
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container_title Journal of materials chemistry. C, Materials for optical and electronic devices
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creator Wang, Yan
Yang, Hai-Jie
Geng, Hong-Zhang
Zhang, Ze-Chen
Ding, Er-Xiong
Meng, Yan
Luo, Zhi-Jia
Wang, Jing
Su, Xiao-Mei
Da, Shi-Xun
description Single-walled carbon nanotubes (SWCNTs) were dispersed in water with the help of a combination of surfactants to achieve a high concentration SWCNT ink. Transparent conducting films (TCFs) were fabricated through a rod-coating method using the SWCNT ink. The addition of binders (polyacrylic acid or carboxymethyl cellulose) greatly enhanced the adhesion of SWCNT films to substrates and the cohesion between CNTs, which produced a uniform film of SWCNTs by preventing damage during the post-treatment process. The thickness of SWCNT films is controlled by the amount of SWCNTs in the solution and the diameter of the wire used. To test the film adhesion, Scotch™ tape was used to detach some loosely bound SWCNTs. Then the SWCNT films were further post-treated with nitric acid to improve the conductivity. The addition of polyacrylic acid to the SWCNT dispersion improved the film adhesion obviously without decreasing its electrical conductivity. This rod-coating method demonstrates great potential for the scalable fabrication of flexible SWCNT-TCFs.
doi_str_mv 10.1039/C5TC00138B
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source Royal Society Of Chemistry Journals; Alma/SFX Local Collection
subjects Adhesion
Adhesion tests
Binders
Conduction
Dispersions
Polyacrylic acid
Resistivity
Single wall carbon nanotubes
title Fabrication and evaluation of adhesion enhanced flexible carbon nanotube transparent conducting films
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