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Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications

Rujie Li, Libin Tang, Qing Zhao, Vincent Teng Orcid Logo, Shu Ping Lau

Chemical Physics Letters, Volume: 742, Start page: 137127

Swansea University Author: Vincent Teng Orcid Logo

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DOI (Published version): 10.1016/j.cplett.2020.137127

Abstract

Zinc sulfide (ZnS) quantum dots (QDs) were synthesized using a facile, low-cost and environmentally friendly method at room temperature and ambient pressure. The structural, optical and electrical properties of the as-prepared ZnS QDs were investigated. The monodispersed crystalline ZnS QDs with an...

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Published in: Chemical Physics Letters
ISSN: 0009-2614
Published: Elsevier BV 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa53313
first_indexed 2020-01-20T19:29:44Z
last_indexed 2020-09-17T03:16:30Z
id cronfa53313
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spelling 2020-01-20T14:25:31.5405878 v2 53313 2020-01-20 Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications 98f529f56798da1ba3e6e93d2817c114 0000-0003-4325-8573 Vincent Teng Vincent Teng true false 2020-01-20 ACEM Zinc sulfide (ZnS) quantum dots (QDs) were synthesized using a facile, low-cost and environmentally friendly method at room temperature and ambient pressure. The structural, optical and electrical properties of the as-prepared ZnS QDs were investigated. The monodispersed crystalline ZnS QDs with an average size of 3.8 nm has been prepared, an absorption peak at 292 nm in the ultra-violet (UV) range was observed. The maximum responsivity (R) and detectivity (D*) of the ZnS QDs based photodetector under 365 nm UV light illumination were 5.8 A W−1 and 1.97×1013 Jones, respectively, which shows important potential application in UV detection. Journal Article Chemical Physics Letters 742 137127 Elsevier BV 0009-2614 Semiconductor, Quantum dots (QDs), Zinc sulfide (ZnS), Optical property Photodetector 1 3 2020 2020-03-01 10.1016/j.cplett.2020.137127 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University 2020-01-20T14:25:31.5405878 2020-01-20T14:25:31.5405878 Rujie Li 1 Libin Tang 2 Qing Zhao 3 Vincent Teng 0000-0003-4325-8573 4 Shu Ping Lau 5 53313__16571__8283cc21f37c43abae426d35209a867d.pdf 53313.pdf 2020-02-13T13:24:00.0745175 Output 705324 application/pdf Accepted Manuscript true 2021-01-17T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true eng
title Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications
spellingShingle Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications
Vincent Teng
title_short Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications
title_full Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications
title_fullStr Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications
title_full_unstemmed Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications
title_sort Facile synthesis of ZnS quantum dots at room temperature for ultra-violet photodetector applications
author_id_str_mv 98f529f56798da1ba3e6e93d2817c114
author_id_fullname_str_mv 98f529f56798da1ba3e6e93d2817c114_***_Vincent Teng
author Vincent Teng
author2 Rujie Li
Libin Tang
Qing Zhao
Vincent Teng
Shu Ping Lau
format Journal article
container_title Chemical Physics Letters
container_volume 742
container_start_page 137127
publishDate 2020
institution Swansea University
issn 0009-2614
doi_str_mv 10.1016/j.cplett.2020.137127
publisher Elsevier BV
document_store_str 1
active_str 0
description Zinc sulfide (ZnS) quantum dots (QDs) were synthesized using a facile, low-cost and environmentally friendly method at room temperature and ambient pressure. The structural, optical and electrical properties of the as-prepared ZnS QDs were investigated. The monodispersed crystalline ZnS QDs with an average size of 3.8 nm has been prepared, an absorption peak at 292 nm in the ultra-violet (UV) range was observed. The maximum responsivity (R) and detectivity (D*) of the ZnS QDs based photodetector under 365 nm UV light illumination were 5.8 A W−1 and 1.97×1013 Jones, respectively, which shows important potential application in UV detection.
published_date 2020-03-01T19:51:35Z
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score 11.04748

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