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Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices

Vincent Consonni, Alex Lord Orcid Logo

Nano Energy, Volume: 83, Start page: 105789

Swansea University Author: Alex Lord Orcid Logo

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DOI (Published version): 10.1016/j.nanoen.2021.105789

Abstract

The polar and piezoelectric nature of the wurtzite structure of ZnO nanowires with a high aspect ratio at nanoscale dimensions is of high interest for piezotronic and piezoelectric devices, but a number of issues related to polarity are still open and deserve a particular attention. In this context,...

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Published in: Nano Energy
ISSN: 2211-2855
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa56100
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first_indexed 2021-01-25T09:57:19Z
last_indexed 2021-02-20T04:19:08Z
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spelling 2021-02-19T08:39:38.3387776 v2 56100 2021-01-22 Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices d547bad707e12f5a9f12d4fcbeea87ed 0000-0002-6258-2187 Alex Lord Alex Lord true false 2021-01-22 EEN The polar and piezoelectric nature of the wurtzite structure of ZnO nanowires with a high aspect ratio at nanoscale dimensions is of high interest for piezotronic and piezoelectric devices, but a number of issues related to polarity are still open and deserve a particular attention. In this context, chemical bath deposition offers a unique opportunity to select the O- or Zn-polarity of the resultant nanowires and is further compatible with the fabrication processes of flexible devices. The control and use of the polarity in ZnO nanowires grown by chemical bath deposition opens a new way to greatly enhance the performance of the related piezotronic and piezoelectric devices. However, polarity as an additional tunable parameter should be considered with care because it has a strong influence on many processes and properties. The present review is intended to report the most important consequences related to the polarity in ZnO nanowires for piezotronic and piezoelectric devices. After introducing the basic principles involving crystal polarity in ZnO, a special emphasis is placed on the effects of polarity on the nucleation and growth mechanisms of ZnO nanowires using chemical bath deposition, defect incorporation and doping, electrical contacts and device properties. Journal Article Nano Energy 83 105789 Elsevier BV 2211-2855 Crystal polarity; ZnO nanowires; Chemical bath deposition; Piezoelectric devices; Piezotronic devices 1 5 2021 2021-05-01 10.1016/j.nanoen.2021.105789 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University UKRI, EP/R511614/1 2021-02-19T08:39:38.3387776 2021-01-22T10:32:10.2632215 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Vincent Consonni 1 Alex Lord 0000-0002-6258-2187 2 56100__19332__aad0e44c88734465b237882de423784f.pdf 56100.pdf 2021-02-19T08:38:49.9053741 Output 28400297 application/pdf Version of Record true © 2021 The Author(s). This is an open access article under the CC BY license true eng http://creativecommons.org/licenses/by/4.0/
title Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices
spellingShingle Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices
Alex Lord
title_short Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices
title_full Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices
title_fullStr Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices
title_full_unstemmed Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices
title_sort Polarity in ZnO nanowires: A critical issue for piezotronic and piezoelectric devices
author_id_str_mv d547bad707e12f5a9f12d4fcbeea87ed
author_id_fullname_str_mv d547bad707e12f5a9f12d4fcbeea87ed_***_Alex Lord
author Alex Lord
author2 Vincent Consonni
Alex Lord
format Journal article
container_title Nano Energy
container_volume 83
container_start_page 105789
publishDate 2021
institution Swansea University
issn 2211-2855
doi_str_mv 10.1016/j.nanoen.2021.105789
publisher Elsevier BV
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 - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description The polar and piezoelectric nature of the wurtzite structure of ZnO nanowires with a high aspect ratio at nanoscale dimensions is of high interest for piezotronic and piezoelectric devices, but a number of issues related to polarity are still open and deserve a particular attention. In this context, chemical bath deposition offers a unique opportunity to select the O- or Zn-polarity of the resultant nanowires and is further compatible with the fabrication processes of flexible devices. The control and use of the polarity in ZnO nanowires grown by chemical bath deposition opens a new way to greatly enhance the performance of the related piezotronic and piezoelectric devices. However, polarity as an additional tunable parameter should be considered with care because it has a strong influence on many processes and properties. The present review is intended to report the most important consequences related to the polarity in ZnO nanowires for piezotronic and piezoelectric devices. After introducing the basic principles involving crystal polarity in ZnO, a special emphasis is placed on the effects of polarity on the nucleation and growth mechanisms of ZnO nanowires using chemical bath deposition, defect incorporation and doping, electrical contacts and device properties.
published_date 2021-05-01T04:10:48Z
_version_ 1763753746007851008
score 11.037603

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