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Colloidal Manganese-Doped ZnS Nanoplatelets and Their Optical Properties

Liwei Dai, Christian Strelow, Tobias Kipp, Alf Mews, Iris Benkenstein, Dirk Eifler, Thanh Huyen Vuong, Jabor Rabeah, James McGettrick Orcid Logo, Rostyslav Lesyuk, Christian Klinke Orcid Logo

Chemistry of Materials, Volume: 33, Issue: 1, Pages: 275 - 284

Swansea University Authors: James McGettrick Orcid Logo, Christian Klinke Orcid Logo

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DOI (Published version): 10.1021/acs.chemmater.0c03755

Abstract

Manganese (Mn)-doped ZnS nanocrystals (NCs) have been extensively explored for optical applications with the advantages of low toxicity, large Stokes shifts, and enhanced thermal and environmental stability. Although numerous studies on Mn-doped ZnS dots, rods, and wires have been reported, the lite...

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Published in: Chemistry of Materials
ISSN: 0897-4756 1520-5002
Published: American Chemical Society (ACS) 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa56729
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spelling 2023-02-10T16:39:21.2062243 v2 56729 2021-04-25 Colloidal Manganese-Doped ZnS Nanoplatelets and Their Optical Properties bdbacc591e2de05180e0fd3cc13fa480 0000-0002-7719-2958 James McGettrick James McGettrick true false c10c44238eabfb203111f88a965f5372 0000-0001-8558-7389 Christian Klinke Christian Klinke true false 2021-04-25 MTLS Manganese (Mn)-doped ZnS nanocrystals (NCs) have been extensively explored for optical applications with the advantages of low toxicity, large Stokes shifts, and enhanced thermal and environmental stability. Although numerous studies on Mn-doped ZnS dots, rods, and wires have been reported, the literature related to Mn-doped ZnS nanoplatelets (ZnS:Mn NPLs) is scarce. Here, we present the first example of direct doping of Mn2+ ions into ZnS NPLs via the nucleation-doping strategy. The resulting ZnS:Mn NPLs exhibit Mn luminescence, indicative for successful doping of the host ZnS NPLs with Mn2+ ions. The energy transfer from the ZnS NPLs to the Mn2+ ions was observed by employing spectroscopic methods. Furthermore, the impact of the Mn concentration on the optical properties of ZnS:Mn NPLs was systematically investigated. As a result of Mn–Mn interaction, tunable Mn emission and shortened photoluminescence (PL) lifetime decay were observed and rationalized by means of electron paramagnetic resonance (EPR) and X-ray photoelectron spectroscopy (XPS). Finally, we show that the initially low dopant PL quantum yield (QY) of ZnS:Mn NPLs can be dramatically enhanced by passivating the surface trap states of the samples. The presented synthetic strategy of ZnS:Mn NPLs opens a new way to synthesize further doped systems of two-dimensional (2D) NPLs. Journal Article Chemistry of Materials 33 1 275 284 American Chemical Society (ACS) 0897-4756 1520-5002 12 1 2021 2021-01-12 10.1021/acs.chemmater.0c03755 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2023-02-10T16:39:21.2062243 2021-04-25T11:21:39.5972505 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Liwei Dai 1 Christian Strelow 2 Tobias Kipp 3 Alf Mews 4 Iris Benkenstein 5 Dirk Eifler 6 Thanh Huyen Vuong 7 Jabor Rabeah 8 James McGettrick 0000-0002-7719-2958 9 Rostyslav Lesyuk 10 Christian Klinke 0000-0001-8558-7389 11 56729__21281__686b1fe125014674aba0e561c2052f59.pdf Dai-Klinke-ZnSMn-Nanoplatelets-Manuscript.pdf 2021-10-22T14:13:01.0747525 Output 1158167 application/pdf Accepted Manuscript true false
title Colloidal Manganese-Doped ZnS Nanoplatelets and Their Optical Properties
spellingShingle Colloidal Manganese-Doped ZnS Nanoplatelets and Their Optical Properties
James McGettrick
Christian Klinke
title_short Colloidal Manganese-Doped ZnS Nanoplatelets and Their Optical Properties
title_full Colloidal Manganese-Doped ZnS Nanoplatelets and Their Optical Properties
title_fullStr Colloidal Manganese-Doped ZnS Nanoplatelets and Their Optical Properties
title_full_unstemmed Colloidal Manganese-Doped ZnS Nanoplatelets and Their Optical Properties
title_sort Colloidal Manganese-Doped ZnS Nanoplatelets and Their Optical Properties
author_id_str_mv bdbacc591e2de05180e0fd3cc13fa480
c10c44238eabfb203111f88a965f5372
author_id_fullname_str_mv bdbacc591e2de05180e0fd3cc13fa480_***_James McGettrick
c10c44238eabfb203111f88a965f5372_***_Christian Klinke
author James McGettrick
Christian Klinke
author2 Liwei Dai
Christian Strelow
Tobias Kipp
Alf Mews
Iris Benkenstein
Dirk Eifler
Thanh Huyen Vuong
Jabor Rabeah
James McGettrick
Rostyslav Lesyuk
Christian Klinke
format Journal article
container_title Chemistry of Materials
container_volume 33
container_issue 1
container_start_page 275
publishDate 2021
institution Swansea University
issn 0897-4756
1520-5002
doi_str_mv 10.1021/acs.chemmater.0c03755
publisher American Chemical Society (ACS)
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 - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
document_store_str 1
active_str 0
description Manganese (Mn)-doped ZnS nanocrystals (NCs) have been extensively explored for optical applications with the advantages of low toxicity, large Stokes shifts, and enhanced thermal and environmental stability. Although numerous studies on Mn-doped ZnS dots, rods, and wires have been reported, the literature related to Mn-doped ZnS nanoplatelets (ZnS:Mn NPLs) is scarce. Here, we present the first example of direct doping of Mn2+ ions into ZnS NPLs via the nucleation-doping strategy. The resulting ZnS:Mn NPLs exhibit Mn luminescence, indicative for successful doping of the host ZnS NPLs with Mn2+ ions. The energy transfer from the ZnS NPLs to the Mn2+ ions was observed by employing spectroscopic methods. Furthermore, the impact of the Mn concentration on the optical properties of ZnS:Mn NPLs was systematically investigated. As a result of Mn–Mn interaction, tunable Mn emission and shortened photoluminescence (PL) lifetime decay were observed and rationalized by means of electron paramagnetic resonance (EPR) and X-ray photoelectron spectroscopy (XPS). Finally, we show that the initially low dopant PL quantum yield (QY) of ZnS:Mn NPLs can be dramatically enhanced by passivating the surface trap states of the samples. The presented synthetic strategy of ZnS:Mn NPLs opens a new way to synthesize further doped systems of two-dimensional (2D) NPLs.
published_date 2021-01-12T04:11:54Z
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score 11.035874

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