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A Stretchable, Transparent, and Mechanically Robust Silver Nanowire–Polydimethylsiloxane Electrode for Electrochromic Devices

The application of flexible indium tin oxide (ITO-free) electrochromic devices has steadily attracted widespread attention in wearable devices. Recently, silver nanowire/poly(dimethylsiloxane) (AgNW/PDMS)-based stretchable conductive films have raised great interest as ITO-free substrate for flexibl...

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Autores principales: Hao, Tingting, Zhang, Leipeng, Ji, Haoyu, Zhou, Qiyu, Feng, Ting, Song, Shanshan, Wang, Bo, Liu, Dongqi, Ren, Zichen, Liu, Wenchao, Zhang, Yike, Sun, Jiawu, Li, Yao
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10305387/
https://www.ncbi.nlm.nih.gov/pubmed/37376285
http://dx.doi.org/10.3390/polym15122640
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author Hao, Tingting
Zhang, Leipeng
Ji, Haoyu
Zhou, Qiyu
Feng, Ting
Song, Shanshan
Wang, Bo
Liu, Dongqi
Ren, Zichen
Liu, Wenchao
Zhang, Yike
Sun, Jiawu
Li, Yao
author_facet Hao, Tingting
Zhang, Leipeng
Ji, Haoyu
Zhou, Qiyu
Feng, Ting
Song, Shanshan
Wang, Bo
Liu, Dongqi
Ren, Zichen
Liu, Wenchao
Zhang, Yike
Sun, Jiawu
Li, Yao
author_sort Hao, Tingting
collection PubMed
description The application of flexible indium tin oxide (ITO-free) electrochromic devices has steadily attracted widespread attention in wearable devices. Recently, silver nanowire/poly(dimethylsiloxane) (AgNW/PDMS)-based stretchable conductive films have raised great interest as ITO-free substrate for flexible electrochromic devices. However, it is still difficult to achieve high transparency with low resistance due to the weak binding force between AgNW and PDMS with low surface energy because of the possibility of detaching and sliding occurring at the interface. Herein, we propose a method to pattern the pre-cured PDMS (PT-PDMS) by stainless steel film as a template through constructed micron grooves and embedded structure, to prepare a stretchable AgNW/PT-PDMS electrode with high transparency and high conductivity. The stretchable AgNW/PT-PDMS electrode can be stretched (5000 cycles), twisted, and surface friction (3M tape for 500 cycles) without significant loss of conductivity (ΔR/R ≈ 16% and 27%). In addition, with the increase of stretch (stretching to 10–80%), the AgNW/PT-PDMS electrode transmittance increased, and the conductivity increased at first and then decreased. It is possible that the AgNWs in the micron grooves are spread during PDMS stretching, resulting in a larger spreading area and higher transmittance of the AgNWs film; at the same time, the nanowires between the grooves come into contact, thus increasing conductivity. An electrochromic electrode constructed with the stretchable AgNW/PT-PDMS exhibited excellent electrochromic behavior (transmittance contrast from ~61% to ~57%) even after 10,000 bending cycles or 500 stretching cycles, indicating high stability and mechanical robustness. Notably, this method of preparing transparent stretch electrodes based on patterned PDMS provides a promising solution for developing electronic devices with unique structures and high performance.
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spelling pubmed-103053872023-06-29 A Stretchable, Transparent, and Mechanically Robust Silver Nanowire–Polydimethylsiloxane Electrode for Electrochromic Devices Hao, Tingting Zhang, Leipeng Ji, Haoyu Zhou, Qiyu Feng, Ting Song, Shanshan Wang, Bo Liu, Dongqi Ren, Zichen Liu, Wenchao Zhang, Yike Sun, Jiawu Li, Yao Polymers (Basel) Article The application of flexible indium tin oxide (ITO-free) electrochromic devices has steadily attracted widespread attention in wearable devices. Recently, silver nanowire/poly(dimethylsiloxane) (AgNW/PDMS)-based stretchable conductive films have raised great interest as ITO-free substrate for flexible electrochromic devices. However, it is still difficult to achieve high transparency with low resistance due to the weak binding force between AgNW and PDMS with low surface energy because of the possibility of detaching and sliding occurring at the interface. Herein, we propose a method to pattern the pre-cured PDMS (PT-PDMS) by stainless steel film as a template through constructed micron grooves and embedded structure, to prepare a stretchable AgNW/PT-PDMS electrode with high transparency and high conductivity. The stretchable AgNW/PT-PDMS electrode can be stretched (5000 cycles), twisted, and surface friction (3M tape for 500 cycles) without significant loss of conductivity (ΔR/R ≈ 16% and 27%). In addition, with the increase of stretch (stretching to 10–80%), the AgNW/PT-PDMS electrode transmittance increased, and the conductivity increased at first and then decreased. It is possible that the AgNWs in the micron grooves are spread during PDMS stretching, resulting in a larger spreading area and higher transmittance of the AgNWs film; at the same time, the nanowires between the grooves come into contact, thus increasing conductivity. An electrochromic electrode constructed with the stretchable AgNW/PT-PDMS exhibited excellent electrochromic behavior (transmittance contrast from ~61% to ~57%) even after 10,000 bending cycles or 500 stretching cycles, indicating high stability and mechanical robustness. Notably, this method of preparing transparent stretch electrodes based on patterned PDMS provides a promising solution for developing electronic devices with unique structures and high performance. MDPI 2023-06-10 /pmc/articles/PMC10305387/ /pubmed/37376285 http://dx.doi.org/10.3390/polym15122640 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Hao, Tingting
Zhang, Leipeng
Ji, Haoyu
Zhou, Qiyu
Feng, Ting
Song, Shanshan
Wang, Bo
Liu, Dongqi
Ren, Zichen
Liu, Wenchao
Zhang, Yike
Sun, Jiawu
Li, Yao
A Stretchable, Transparent, and Mechanically Robust Silver Nanowire–Polydimethylsiloxane Electrode for Electrochromic Devices
title A Stretchable, Transparent, and Mechanically Robust Silver Nanowire–Polydimethylsiloxane Electrode for Electrochromic Devices
title_full A Stretchable, Transparent, and Mechanically Robust Silver Nanowire–Polydimethylsiloxane Electrode for Electrochromic Devices
title_fullStr A Stretchable, Transparent, and Mechanically Robust Silver Nanowire–Polydimethylsiloxane Electrode for Electrochromic Devices
title_full_unstemmed A Stretchable, Transparent, and Mechanically Robust Silver Nanowire–Polydimethylsiloxane Electrode for Electrochromic Devices
title_short A Stretchable, Transparent, and Mechanically Robust Silver Nanowire–Polydimethylsiloxane Electrode for Electrochromic Devices
title_sort stretchable, transparent, and mechanically robust silver nanowire–polydimethylsiloxane electrode for electrochromic devices
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10305387/
https://www.ncbi.nlm.nih.gov/pubmed/37376285
http://dx.doi.org/10.3390/polym15122640
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