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Voltage-heating responsive and patternable solvatochromism display utilizing nickel complex-Nafion film composites

Yanjie Wang, Lei Zhang, Bo Li Orcid Logo, Gangqiang Tang Orcid Logo, Xin Zhao, Zeyu Zhang, Lijie Li Orcid Logo

Advances in Mechanical Engineering, Volume: 14, Issue: 8, Start page: 168781322211164

Swansea University Author: Lijie Li Orcid Logo

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DOI (Published version): 10.1177/16878132221116484

Abstract

In this work, a voltage-heating actuated flexible solvatochromic film is developed using the composites of Nafion film-nickel complexes with spray-coated silver nanowires (AgNWs). The nickel complexes, inside Nafion film through ion exchange, serve as colorable components due to the coordination num...

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Published in: Advances in Mechanical Engineering
ISSN: 1687-8132 1687-8140
Published: SAGE Publications 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa61170
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spelling 2022-10-06T15:05:07.2071118 v2 61170 2022-09-09 Voltage-heating responsive and patternable solvatochromism display utilizing nickel complex-Nafion film composites ed2c658b77679a28e4c1dcf95af06bd6 0000-0003-4630-7692 Lijie Li Lijie Li true false 2022-09-09 EEEG In this work, a voltage-heating actuated flexible solvatochromic film is developed using the composites of Nafion film-nickel complexes with spray-coated silver nanowires (AgNWs). The nickel complexes, inside Nafion film through ion exchange, serve as colorable components due to the coordination number change of water molecules in solvatochromism. The color-changing process of the composites was characterized experimentally by adjusting the water content in films, which exhibit distinct coloration properties from red to green with an absorbency shift (0.25–0.60 at 420–550 nm). To achieve an electrical actuation, the electrothermal joule effect of AgNWs is studied to accelerate the hydrolysis of the nickel complexes. A mask patterned spraying process is developed to increase the adhesion between AgNWs and Nafion film, which can be beneficial in a low (2–5 V) voltage-regulated coloration. This study provides a systematic investigation of flexible electrothermally responsive color-changing film of complex metal ions, the composite film prepared from flexible smart materials and well-adhered electrodes have potential applications in the fields of adaptive camouflage, wearable display devices and e-skins. Journal Article Advances in Mechanical Engineering 14 8 168781322211164 SAGE Publications 1687-8132 1687-8140 Nafion film, nickel complex, solvatochromic, flexible display 25 8 2022 2022-08-25 10.1177/16878132221116484 COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University This research was partially supported by the National Natural Science Foundation of China (51975184 and 52075411), the Fundamental Research Funds for the Central Universities (B210202124 and B200203148). 2022-10-06T15:05:07.2071118 2022-09-09T14:35:08.6828758 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Yanjie Wang 1 Lei Zhang 2 Bo Li 0000-0002-7513-0657 3 Gangqiang Tang 0000-0002-1994-8438 4 Xin Zhao 5 Zeyu Zhang 6 Lijie Li 0000-0003-4630-7692 7 61170__25336__6cdcb4df106a4319bcad5ef532377f2f.pdf 61170_VoR.pdf 2022-10-06T15:02:31.5131975 Output 3972730 application/pdf Version of Record true Copyright: The Author(s) 2022. This article is distributed under the terms of the Creative Commons Attribution 4.0 License true eng https://creativecommons.org/licenses/by/4.0/)
title Voltage-heating responsive and patternable solvatochromism display utilizing nickel complex-Nafion film composites
spellingShingle Voltage-heating responsive and patternable solvatochromism display utilizing nickel complex-Nafion film composites
Lijie Li
title_short Voltage-heating responsive and patternable solvatochromism display utilizing nickel complex-Nafion film composites
title_full Voltage-heating responsive and patternable solvatochromism display utilizing nickel complex-Nafion film composites
title_fullStr Voltage-heating responsive and patternable solvatochromism display utilizing nickel complex-Nafion film composites
title_full_unstemmed Voltage-heating responsive and patternable solvatochromism display utilizing nickel complex-Nafion film composites
title_sort Voltage-heating responsive and patternable solvatochromism display utilizing nickel complex-Nafion film composites
author_id_str_mv ed2c658b77679a28e4c1dcf95af06bd6
author_id_fullname_str_mv ed2c658b77679a28e4c1dcf95af06bd6_***_Lijie Li
author Lijie Li
author2 Yanjie Wang
Lei Zhang
Bo Li
Gangqiang Tang
Xin Zhao
Zeyu Zhang
Lijie Li
format Journal article
container_title Advances in Mechanical Engineering
container_volume 14
container_issue 8
container_start_page 168781322211164
publishDate 2022
institution Swansea University
issn 1687-8132
1687-8140
doi_str_mv 10.1177/16878132221116484
publisher SAGE Publications
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
active_str 0
description In this work, a voltage-heating actuated flexible solvatochromic film is developed using the composites of Nafion film-nickel complexes with spray-coated silver nanowires (AgNWs). The nickel complexes, inside Nafion film through ion exchange, serve as colorable components due to the coordination number change of water molecules in solvatochromism. The color-changing process of the composites was characterized experimentally by adjusting the water content in films, which exhibit distinct coloration properties from red to green with an absorbency shift (0.25–0.60 at 420–550 nm). To achieve an electrical actuation, the electrothermal joule effect of AgNWs is studied to accelerate the hydrolysis of the nickel complexes. A mask patterned spraying process is developed to increase the adhesion between AgNWs and Nafion film, which can be beneficial in a low (2–5 V) voltage-regulated coloration. This study provides a systematic investigation of flexible electrothermally responsive color-changing film of complex metal ions, the composite film prepared from flexible smart materials and well-adhered electrodes have potential applications in the fields of adaptive camouflage, wearable display devices and e-skins.
published_date 2022-08-25T04:19:49Z
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score 11.016258

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