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Rapid preparation of a Nafion/Ag NW composite film and its humidity sensing effect

Yanjie Wang, Jiale Wang, Muyu Hao, Bo Li, Zicai Zhu, Xiaofan Gou, Lijie Li Orcid Logo

RSC Advances, Volume: 10, Issue: 46, Pages: 27447 - 27455

Swansea University Author: Lijie Li Orcid Logo

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DOI (Published version): 10.1039/d0ra01650k

Abstract

In this study, we present a novel humidity-responsive composite film based on the integration of two silver nanowire (Ag NW) layers deposited via the physical deposition process with an ionomer (Nafion) layer sandwiched between them. As a result of the ion migration inside the ionomer, the humidity...

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Published in: RSC Advances
ISSN: 2046-2069
Published: Royal Society of Chemistry (RSC) 2020
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa54787
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Abstract: In this study, we present a novel humidity-responsive composite film based on the integration of two silver nanowire (Ag NW) layers deposited via the physical deposition process with an ionomer (Nafion) layer sandwiched between them. As a result of the ion migration inside the ionomer, the humidity to electrical transduction displays a fast response and high sensitivity in comparison with previous research. Meanwhile, the effects of the humidity gradient on the sensing response of the Nafion/Ag NWs composite film were investigated. Specifically, a higher humidity enables a faster response rate but a slower recovery rate, as compared to a lower humidity level. In addition, breathing tests are performed, which verified the opportunities for the design and fabrication of high-performance sensors for environment and biophysical monitoring. This research also revealed the potential applications in VOC (volatile organic compound) detection.
Issue: 46
Start Page: 27447
End Page: 27455