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Investigation of the growth parameters of hydrothermal ZnO nanowires for scale up applications

Naif Ahmed Alshehri, Aled R. Lewis, Cameron Pleydell-Pearce, Thierry Maffeis Orcid Logo

Journal of Saudi Chemical Society

Swansea University Authors: Cameron Pleydell-Pearce, Thierry Maffeis Orcid Logo

Abstract

Zinc oxide nano-wires (ZnO NWs) are synthesized reproducibly with high yield via a low temperature hydrothermal technique. The influence of the growth duration time, growth temperature, zinc precursor and base concentration of Na2CO3 on the morphology of NWs is investigated. The growth products are...

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Published in: Journal of Saudi Chemical Society
ISSN: 1319-6103
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa35717
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first_indexed 2017-09-29T19:01:18Z
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spelling 2020-06-02T16:23:17.4595845 v2 35717 2017-09-29 Investigation of the growth parameters of hydrothermal ZnO nanowires for scale up applications 564c480cb2abe761533a139c7dbaaca1 Cameron Pleydell-Pearce Cameron Pleydell-Pearce true false 992eb4cb18b61c0cd3da6e0215ac787c 0000-0003-2357-0092 Thierry Maffeis Thierry Maffeis true false 2017-09-29 MTLS Zinc oxide nano-wires (ZnO NWs) are synthesized reproducibly with high yield via a low temperature hydrothermal technique. The influence of the growth duration time, growth temperature, zinc precursor and base concentration of Na2CO3 on the morphology of NWs is investigated. The growth products are characterised using scanning electron microscopy (SEM), Transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and photoluminescence (PL). SEM analysis shows that the optimum growth temperature is 140 °C and finds that length and diameter of ZnO NWs have a relationship with growth duration time and base concentrations of Na2CO3. In addition, it is reported that a high (∼ 90%) yield of ZnO NWs can be synthesised via using any of three different precursors: zinc chloride, zinc acetate and zinc nitrate. TEM and XRD results indicate the high purity and the single crystalline nature of the ZnO NWs. XPS confirms the absence of sodium contaminants on the surface and indicates a near flat band surface condition. PL shows a large visible band in the yellow part of the spectrum, and a small exciton emission peak, indicating a large defect concentration, which is reduced after annealing in air. Journal Article Journal of Saudi Chemical Society 1319-6103 Semiconducting materials; Nanomaterials; Hydrothermal crystal growth; Characterization; X-ray diffraction; Defects 31 12 2017 2017-12-31 10.1016/j.jscs.2017.09.004 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2020-06-02T16:23:17.4595845 2017-09-29T10:46:00.8290023 College of Engineering Engineering Naif Ahmed Alshehri 1 Aled R. Lewis 2 Cameron Pleydell-Pearce 3 Thierry Maffeis 0000-0003-2357-0092 4 0035717-29092017104816.pdf alshehri2017.pdf 2017-09-29T10:48:16.1930000 Output 4875333 application/pdf Accepted Manuscript true 2017-09-29T00:00:00.0000000 false eng
title Investigation of the growth parameters of hydrothermal ZnO nanowires for scale up applications
spellingShingle Investigation of the growth parameters of hydrothermal ZnO nanowires for scale up applications
Cameron Pleydell-Pearce
Thierry Maffeis
title_short Investigation of the growth parameters of hydrothermal ZnO nanowires for scale up applications
title_full Investigation of the growth parameters of hydrothermal ZnO nanowires for scale up applications
title_fullStr Investigation of the growth parameters of hydrothermal ZnO nanowires for scale up applications
title_full_unstemmed Investigation of the growth parameters of hydrothermal ZnO nanowires for scale up applications
title_sort Investigation of the growth parameters of hydrothermal ZnO nanowires for scale up applications
author_id_str_mv 564c480cb2abe761533a139c7dbaaca1
992eb4cb18b61c0cd3da6e0215ac787c
author_id_fullname_str_mv 564c480cb2abe761533a139c7dbaaca1_***_Cameron Pleydell-Pearce
992eb4cb18b61c0cd3da6e0215ac787c_***_Thierry Maffeis
author Cameron Pleydell-Pearce
Thierry Maffeis
author2 Naif Ahmed Alshehri
Aled R. Lewis
Cameron Pleydell-Pearce
Thierry Maffeis
format Journal article
container_title Journal of Saudi Chemical Society
publishDate 2017
institution Swansea University
issn 1319-6103
doi_str_mv 10.1016/j.jscs.2017.09.004
college_str College of Engineering
hierarchytype
hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
active_str 0
description Zinc oxide nano-wires (ZnO NWs) are synthesized reproducibly with high yield via a low temperature hydrothermal technique. The influence of the growth duration time, growth temperature, zinc precursor and base concentration of Na2CO3 on the morphology of NWs is investigated. The growth products are characterised using scanning electron microscopy (SEM), Transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and photoluminescence (PL). SEM analysis shows that the optimum growth temperature is 140 °C and finds that length and diameter of ZnO NWs have a relationship with growth duration time and base concentrations of Na2CO3. In addition, it is reported that a high (∼ 90%) yield of ZnO NWs can be synthesised via using any of three different precursors: zinc chloride, zinc acetate and zinc nitrate. TEM and XRD results indicate the high purity and the single crystalline nature of the ZnO NWs. XPS confirms the absence of sodium contaminants on the surface and indicates a near flat band surface condition. PL shows a large visible band in the yellow part of the spectrum, and a small exciton emission peak, indicating a large defect concentration, which is reduced after annealing in air.
published_date 2017-12-31T03:48:38Z
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score 10.919435