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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
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URI: https://cronfa.swan.ac.uk/Record/cronfa54787
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first_indexed 2020-07-22T16:44:48Z
last_indexed 2020-09-01T03:17:35Z
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spelling 2020-08-31T13:11:02.3307273 v2 54787 2020-07-22 Rapid preparation of a Nafion/Ag NW composite film and its humidity sensing effect ed2c658b77679a28e4c1dcf95af06bd6 0000-0003-4630-7692 Lijie Li Lijie Li true false 2020-07-22 EEEG 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. Journal Article RSC Advances 10 46 27447 27455 Royal Society of Chemistry (RSC) 2046-2069 22 7 2020 2020-07-22 10.1039/d0ra01650k COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University 2020-08-31T13:11:02.3307273 2020-07-22T17:42:32.5707642 Yanjie Wang 1 Jiale Wang 2 Muyu Hao 3 Bo Li 4 Zicai Zhu 5 Xiaofan Gou 6 Lijie Li 0000-0003-4630-7692 7 54787__18085__59ad2cabf70d4670b69f2b19bb7e5f11.pdf 54787.pdf 2020-08-31T13:08:52.2792929 Output 1057226 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution-NonCommercial 3.0 Unported Licence (CC-BY-NC). true eng http://creativecommons.org/licenses/by-nc/3.0/
title Rapid preparation of a Nafion/Ag NW composite film and its humidity sensing effect
spellingShingle Rapid preparation of a Nafion/Ag NW composite film and its humidity sensing effect
Lijie Li
title_short Rapid preparation of a Nafion/Ag NW composite film and its humidity sensing effect
title_full Rapid preparation of a Nafion/Ag NW composite film and its humidity sensing effect
title_fullStr Rapid preparation of a Nafion/Ag NW composite film and its humidity sensing effect
title_full_unstemmed Rapid preparation of a Nafion/Ag NW composite film and its humidity sensing effect
title_sort Rapid preparation of a Nafion/Ag NW composite film and its humidity sensing effect
author_id_str_mv ed2c658b77679a28e4c1dcf95af06bd6
author_id_fullname_str_mv ed2c658b77679a28e4c1dcf95af06bd6_***_Lijie Li
author Lijie Li
author2 Yanjie Wang
Jiale Wang
Muyu Hao
Bo Li
Zicai Zhu
Xiaofan Gou
Lijie Li
format Journal article
container_title RSC Advances
container_volume 10
container_issue 46
container_start_page 27447
publishDate 2020
institution Swansea University
issn 2046-2069
doi_str_mv 10.1039/d0ra01650k
publisher Royal Society of Chemistry (RSC)
document_store_str 1
active_str 0
description 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.
published_date 2020-07-22T04:08:33Z
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score 11.016258

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