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Plasmonic and Photonic Modes in Colloidal CuS Nanocrystals

Kenan Elibol, Fatemeh Davoodi, Urvi Parekh, Masoud Taleb, Stefan Scheel Orcid Logo, Marko Burghard, Peter A. van Aken, Christian Klinke, Nahid Talebi, Rostyslav Lesyuk Orcid Logo

Advanced Optical Materials, Volume: 13, Issue: 12

Swansea University Author: Christian Klinke

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DOI (Published version): 10.1002/adom.202402965

Abstract

Copper monosulfide (CuS), also known as covellite, displays exceptional optoelectronic characteristics, exhibiting both plasmonic and photonic absorption in its monolithic nanomaterial form. It is classified as a hybrid metallic-semiconducting material and a natural hyperbolic material with a distin...

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Published in: Advanced Optical Materials
ISSN: 2195-1071 2195-1071
Published: Wiley 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa69414
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spelling 2025-05-02T15:50:25.4490736 v2 69414 2025-05-02 Plasmonic and Photonic Modes in Colloidal CuS Nanocrystals c10c44238eabfb203111f88a965f5372 Christian Klinke Christian Klinke true false 2025-05-02 Copper monosulfide (CuS), also known as covellite, displays exceptional optoelectronic characteristics, exhibiting both plasmonic and photonic absorption in its monolithic nanomaterial form. It is classified as a hybrid metallic-semiconducting material and a natural hyperbolic material with a distinctive crystal structure. Nanostructured CuS has been demonstrated to support localized surface plasmon resonances (LSPR) in the near-infrared spectral range. Here, the phenomenon of near-infrared (NIR) to visible electromagnetic field localization in ultrathin crystalline quasi-2D CuS nanocrystals is revealed. This is achieved by mapping LSPRs in a range of CuS structures using high-resolution electron energy-loss spectroscopy in combination with cathodoluminescence spectroscopy. In addition to LSPRs, a range of photonic modes in the visible and ultraviolet spectral ranges is identified in colloidally defined single-crystalline nanostructures, with numerical simulations providing supporting evidence. Finally, CuS nanocrystals exhibit visible NIR light emission within the range of 600–900 nm when excited by an electron beam. Altogether, these properties make CuS nanocrystals highly suitable for applications in telecommunications, sensing, and nanophotonics. Journal Article Advanced Optical Materials 13 12 Wiley 2195-1071 2195-1071 cathodoluminescence, copper sulfide, covellite, EELS mapping, nanocrys-tal, photonic mode, plasmonic mode 23 4 2025 2025-04-23 10.1002/adom.202402965 COLLEGE NANME COLLEGE CODE Swansea University Other European Union for the funding of the PL spectrometer. Grant Number: GHS-20-0035/P000376218 Deutsche Forschungsgemeinschaft. Grant Numbers: 525347396, 441234705 European Research Council (ERC) Research and Innovation Programme. Grant Numbers: 802130, 101157312, 101017720 European Regional Development Fund. Grant Number: GHS-20-0036/P000379642 Volkswagen Foundation 2025-05-02T15:50:25.4490736 2025-05-02T15:43:29.3402691 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Kenan Elibol 1 Fatemeh Davoodi 2 Urvi Parekh 3 Masoud Taleb 4 Stefan Scheel 0000-0001-7011-2663 5 Marko Burghard 6 Peter A. van Aken 7 Christian Klinke 8 Nahid Talebi 9 Rostyslav Lesyuk 0000-0001-8723-9222 10 69414__34176__972f39e246ff43dda7722fe8d77a3425.pdf 69414.VoR.pdf 2025-05-02T15:48:29.9765620 Output 2747075 application/pdf Version of Record true © 2024 The Author(s). This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License. true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title Plasmonic and Photonic Modes in Colloidal CuS Nanocrystals
spellingShingle Plasmonic and Photonic Modes in Colloidal CuS Nanocrystals
Christian Klinke
title_short Plasmonic and Photonic Modes in Colloidal CuS Nanocrystals
title_full Plasmonic and Photonic Modes in Colloidal CuS Nanocrystals
title_fullStr Plasmonic and Photonic Modes in Colloidal CuS Nanocrystals
title_full_unstemmed Plasmonic and Photonic Modes in Colloidal CuS Nanocrystals
title_sort Plasmonic and Photonic Modes in Colloidal CuS Nanocrystals
author_id_str_mv c10c44238eabfb203111f88a965f5372
author_id_fullname_str_mv c10c44238eabfb203111f88a965f5372_***_Christian Klinke
author Christian Klinke
author2 Kenan Elibol
Fatemeh Davoodi
Urvi Parekh
Masoud Taleb
Stefan Scheel
Marko Burghard
Peter A. van Aken
Christian Klinke
Nahid Talebi
Rostyslav Lesyuk
format Journal article
container_title Advanced Optical Materials
container_volume 13
container_issue 12
publishDate 2025
institution Swansea University
issn 2195-1071
2195-1071
doi_str_mv 10.1002/adom.202402965
publisher Wiley
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 Copper monosulfide (CuS), also known as covellite, displays exceptional optoelectronic characteristics, exhibiting both plasmonic and photonic absorption in its monolithic nanomaterial form. It is classified as a hybrid metallic-semiconducting material and a natural hyperbolic material with a distinctive crystal structure. Nanostructured CuS has been demonstrated to support localized surface plasmon resonances (LSPR) in the near-infrared spectral range. Here, the phenomenon of near-infrared (NIR) to visible electromagnetic field localization in ultrathin crystalline quasi-2D CuS nanocrystals is revealed. This is achieved by mapping LSPRs in a range of CuS structures using high-resolution electron energy-loss spectroscopy in combination with cathodoluminescence spectroscopy. In addition to LSPRs, a range of photonic modes in the visible and ultraviolet spectral ranges is identified in colloidally defined single-crystalline nanostructures, with numerical simulations providing supporting evidence. Finally, CuS nanocrystals exhibit visible NIR light emission within the range of 600–900 nm when excited by an electron beam. Altogether, these properties make CuS nanocrystals highly suitable for applications in telecommunications, sensing, and nanophotonics.
published_date 2025-04-23T06:46:54Z
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