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Self-adhesive electrode applied to ZnO nanorod-based piezoelectric nanogenerators

Pelin Yilmaz, Peter Clarke Greenwood, Simone Meroni, Joel Troughton, Petr Novak, Xuan Li, Trystan Watson Orcid Logo, Joe Briscoe

Smart Materials and Structures

Swansea University Author: Trystan Watson Orcid Logo

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DOI (Published version): 10.1088/1361-665X/ab255b

Abstract

ZnO nanorod-based piezoelectric devices have gained wide attention in energy harvesting systems as they can be processed at low temperatures onto flexible plastic substrates, giving a good potential for low cost. However, the vacuum-evaporated, precious metal contacts remain a high-cost element of t...

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Published in: Smart Materials and Structures
ISSN: 0964-1726 1361-665X
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa51380
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first_indexed 2019-08-12T15:30:21Z
last_indexed 2019-08-12T15:30:21Z
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spelling 2019-08-12T12:26:21.9588515 v2 51380 2019-08-12 Self-adhesive electrode applied to ZnO nanorod-based piezoelectric nanogenerators a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 2019-08-12 MTLS ZnO nanorod-based piezoelectric devices have gained wide attention in energy harvesting systems as they can be processed at low temperatures onto flexible plastic substrates, giving a good potential for low cost. However, the vacuum-evaporated, precious metal contacts remain a high-cost element of the devices. This paper discusses the use of transparent conductive adhesives (TCAs) as an alternative top contact that is free from both vacuum-evaporation and precious metals. TCA films of various thicknesses were tape-cast onto nickel microgrid on PET substrates and adhered using low-pressure cold-lamination to bond the adhesive component of the TCA to piezoelectric generators with the final device structure of PET/ITO/ZnO-seed/ZnO-nanorods/CuSCN/PEDOT:PSS/TCA. The piezoelectric performances of the devices were compared by measuring output voltage in open-circuit and maximum power output across a range of resistive loads. The voltage output was observed to rise with increasing TCA thickness, reaching a maximum value of 0.72 V generated with 110 µm of TCA as top contact. However, the higher resistance due to increased TCA thickness led to decreased power output; a maximum calculated power of 0.25 μW was obtained from the device with the thinnest TCA layer of 22 µm. Finally, the performance of piezoelectric nanogenerators with TCA contacts were compared to a control device with an evaporated gold contact. Journal Article Smart Materials and Structures 0964-1726 1361-665X 31 12 2019 2019-12-31 10.1088/1361-665X/ab255b COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2019-08-12T12:26:21.9588515 2019-08-12T12:22:07.2763346 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Pelin Yilmaz 1 Peter Clarke Greenwood 2 Simone Meroni 3 Joel Troughton 4 Petr Novak 5 Xuan Li 6 Trystan Watson 0000-0002-8015-1436 7 Joe Briscoe 8 0051380-12082019122500.pdf Yilmaz2019.pdf 2019-08-12T12:25:00.4830000 Output 730261 application/pdf Accepted Manuscript true 2020-05-29T00:00:00.0000000 false eng
title Self-adhesive electrode applied to ZnO nanorod-based piezoelectric nanogenerators
spellingShingle Self-adhesive electrode applied to ZnO nanorod-based piezoelectric nanogenerators
Trystan Watson
title_short Self-adhesive electrode applied to ZnO nanorod-based piezoelectric nanogenerators
title_full Self-adhesive electrode applied to ZnO nanorod-based piezoelectric nanogenerators
title_fullStr Self-adhesive electrode applied to ZnO nanorod-based piezoelectric nanogenerators
title_full_unstemmed Self-adhesive electrode applied to ZnO nanorod-based piezoelectric nanogenerators
title_sort Self-adhesive electrode applied to ZnO nanorod-based piezoelectric nanogenerators
author_id_str_mv a210327b52472cfe8df9b8108d661457
author_id_fullname_str_mv a210327b52472cfe8df9b8108d661457_***_Trystan Watson
author Trystan Watson
author2 Pelin Yilmaz
Peter Clarke Greenwood
Simone Meroni
Joel Troughton
Petr Novak
Xuan Li
Trystan Watson
Joe Briscoe
format Journal article
container_title Smart Materials and Structures
publishDate 2019
institution Swansea University
issn 0964-1726
1361-665X
doi_str_mv 10.1088/1361-665X/ab255b
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 Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 1
active_str 0
description ZnO nanorod-based piezoelectric devices have gained wide attention in energy harvesting systems as they can be processed at low temperatures onto flexible plastic substrates, giving a good potential for low cost. However, the vacuum-evaporated, precious metal contacts remain a high-cost element of the devices. This paper discusses the use of transparent conductive adhesives (TCAs) as an alternative top contact that is free from both vacuum-evaporation and precious metals. TCA films of various thicknesses were tape-cast onto nickel microgrid on PET substrates and adhered using low-pressure cold-lamination to bond the adhesive component of the TCA to piezoelectric generators with the final device structure of PET/ITO/ZnO-seed/ZnO-nanorods/CuSCN/PEDOT:PSS/TCA. The piezoelectric performances of the devices were compared by measuring output voltage in open-circuit and maximum power output across a range of resistive loads. The voltage output was observed to rise with increasing TCA thickness, reaching a maximum value of 0.72 V generated with 110 µm of TCA as top contact. However, the higher resistance due to increased TCA thickness led to decreased power output; a maximum calculated power of 0.25 μW was obtained from the device with the thinnest TCA layer of 22 µm. Finally, the performance of piezoelectric nanogenerators with TCA contacts were compared to a control device with an evaporated gold contact.
published_date 2019-12-31T04:03:14Z
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score 11.016235

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