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Investigation into the effects of surface stripping ZnO nanosheets

Chris J Barnett, Georgina Jackson, Daniel Jones, Aled R Lewis, Kathryn Welsby, Jon E Evans, James D McGettrick, Trystan Watson Orcid Logo, Thierry Maffeis Orcid Logo, Peter Dunstan Orcid Logo, Andrew Barron Orcid Logo, Richard Cobley Orcid Logo

Nanotechnology, Volume: 29, Issue: 16, Start page: 165701

Swansea University Authors: Daniel Jones, Trystan Watson Orcid Logo, Thierry Maffeis Orcid Logo, Peter Dunstan Orcid Logo, Andrew Barron Orcid Logo, Richard Cobley Orcid Logo

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Abstract

ZnO nanosheets are polycrystalline nanostructures that are used in devices including solar cells and gas sensors. However, for efficient and reproducible device operation and contact behaviour the conductivity characteristics must be controlled and surface contaminants removed. Here we use low doses...

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Published in: Nanotechnology
ISSN: 0957-4484 1361-6528
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa38951
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However, for efficient and reproducible device operation and contact behaviour the conductivity characteristics must be controlled and surface contaminants removed. Here we use low doses of argon bombardment to remove surface contamination and make reproducible lower resistance contacts. Higher doses strip the surface of the nanosheets altering the contact type from near-ohmic to rectifying by removing the donor-type defects, which photoluminescence shows to be concentrated in the near-surface. 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spelling 2020-06-18T15:24:34.9408493 v2 38951 2018-03-06 Investigation into the effects of surface stripping ZnO nanosheets 88aaf2ee4c51d4405ef7f81e2e8f7bdb Daniel Jones Daniel Jones true false a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 992eb4cb18b61c0cd3da6e0215ac787c 0000-0003-2357-0092 Thierry Maffeis Thierry Maffeis true false eada15d4d33fcb3dfddcff43f1323bd6 0000-0002-4337-4307 Peter Dunstan Peter Dunstan true false 92e452f20936d688d36f91c78574241d 0000-0002-2018-8288 Andrew Barron Andrew Barron true false 2ce7e1dd9006164425415a35fa452494 0000-0003-4833-8492 Richard Cobley Richard Cobley true false 2018-03-06 MECH ZnO nanosheets are polycrystalline nanostructures that are used in devices including solar cells and gas sensors. However, for efficient and reproducible device operation and contact behaviour the conductivity characteristics must be controlled and surface contaminants removed. Here we use low doses of argon bombardment to remove surface contamination and make reproducible lower resistance contacts. Higher doses strip the surface of the nanosheets altering the contact type from near-ohmic to rectifying by removing the donor-type defects, which photoluminescence shows to be concentrated in the near-surface. Controlled doses of argon treatments allow nanosheets to be customised for device formation. Journal Article Nanotechnology 29 16 165701 0957-4484 1361-6528 23 2 2018 2018-02-23 10.1088/1361-6528/aaae5c COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2020-06-18T15:24:34.9408493 2018-03-06T08:56:17.3555124 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Chris J Barnett 1 Georgina Jackson 2 Daniel Jones 3 Aled R Lewis 4 Kathryn Welsby 5 Jon E Evans 6 James D McGettrick 7 Trystan Watson 0000-0002-8015-1436 8 Thierry Maffeis 0000-0003-2357-0092 9 Peter Dunstan 0000-0002-4337-4307 10 Andrew Barron 0000-0002-2018-8288 11 Richard Cobley 0000-0003-4833-8492 12 0038951-06032018085832.pdf barnett2018.pdf 2018-03-06T08:58:32.7200000 Output 991944 application/pdf Accepted Manuscript true 2019-02-23T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true eng
title Investigation into the effects of surface stripping ZnO nanosheets
spellingShingle Investigation into the effects of surface stripping ZnO nanosheets
Daniel Jones
Trystan Watson
Thierry Maffeis
Peter Dunstan
Andrew Barron
Richard Cobley
title_short Investigation into the effects of surface stripping ZnO nanosheets
title_full Investigation into the effects of surface stripping ZnO nanosheets
title_fullStr Investigation into the effects of surface stripping ZnO nanosheets
title_full_unstemmed Investigation into the effects of surface stripping ZnO nanosheets
title_sort Investigation into the effects of surface stripping ZnO nanosheets
author_id_str_mv 88aaf2ee4c51d4405ef7f81e2e8f7bdb
a210327b52472cfe8df9b8108d661457
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author_id_fullname_str_mv 88aaf2ee4c51d4405ef7f81e2e8f7bdb_***_Daniel Jones
a210327b52472cfe8df9b8108d661457_***_Trystan Watson
992eb4cb18b61c0cd3da6e0215ac787c_***_Thierry Maffeis
eada15d4d33fcb3dfddcff43f1323bd6_***_Peter Dunstan
92e452f20936d688d36f91c78574241d_***_Andrew Barron
2ce7e1dd9006164425415a35fa452494_***_Richard Cobley
author Daniel Jones
Trystan Watson
Thierry Maffeis
Peter Dunstan
Andrew Barron
Richard Cobley
author2 Chris J Barnett
Georgina Jackson
Daniel Jones
Aled R Lewis
Kathryn Welsby
Jon E Evans
James D McGettrick
Trystan Watson
Thierry Maffeis
Peter Dunstan
Andrew Barron
Richard Cobley
format Journal article
container_title Nanotechnology
container_volume 29
container_issue 16
container_start_page 165701
publishDate 2018
institution Swansea University
issn 0957-4484
1361-6528
doi_str_mv 10.1088/1361-6528/aaae5c
college_str Faculty of Science and Engineering
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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
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description ZnO nanosheets are polycrystalline nanostructures that are used in devices including solar cells and gas sensors. However, for efficient and reproducible device operation and contact behaviour the conductivity characteristics must be controlled and surface contaminants removed. Here we use low doses of argon bombardment to remove surface contamination and make reproducible lower resistance contacts. Higher doses strip the surface of the nanosheets altering the contact type from near-ohmic to rectifying by removing the donor-type defects, which photoluminescence shows to be concentrated in the near-surface. Controlled doses of argon treatments allow nanosheets to be customised for device formation.
published_date 2018-02-23T03:48:17Z
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score 10.927741