Influence of air exposure on structural isomers of silver nanoparticles

Vernieres, Jerome; Tarrat, Nathalie; Lethbridge, Sean; Watchorn-Rokutan, Erica; Slater, Thomas; Loffreda, David; Palmer, Richard

doi:10.1038/s42004-023-00813-9

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Influence of air exposure on structural isomers of silver nanoparticles

Jerome Vernieres

, Nathalie Tarrat

, Sean Lethbridge

, Erica Watchorn-Rokutan

, Thomas Slater

, David Loffreda, Richard Palmer

Communications Chemistry, Volume: 6, Issue: 1

Swansea University Author: Richard Palmer

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DOI (Published version): 10.1038/s42004-023-00813-9

Abstract

Up to date, the influence of ambient air exposure on the energetics and stability of silver clusters has rarely been investigated and compared to clusters in vacuum. Silver clusters up to 3000 atoms in size, on an amorphous carbon film, have been exposed to ambient air and investigated by atomic-res...

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Published in:	Communications Chemistry
ISSN:	2399-3669
Published:	Springer Science and Business Media LLC 2023
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa62422
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spelling	2023-02-07T16:28:01.0121750 v2 62422 2023-01-24 Influence of air exposure on structural isomers of silver nanoparticles 6ae369618efc7424d9774377536ea519 0000-0001-8728-8083 Richard Palmer Richard Palmer true false 2023-01-24 MECH Up to date, the influence of ambient air exposure on the energetics and stability of silver clusters has rarely been investigated and compared to clusters in vacuum. Silver clusters up to 3000 atoms in size, on an amorphous carbon film, have been exposed to ambient air and investigated by atomic-resolution imaging in the aberration-corrected Scanning Transmission Electron Microscope. Ordered structures comprise more than half the population, the rest are amorphous. Here, we show that the most common ordered isomer structures is the icosahedron. These results contrast with the published behaviour of silver clusters protected from atmospheric exposure, where the predominant ordered isomer is face-centred cubic. We propose that the formation of surface oxide or sulphide species resulting from air exposure can account for this deviation in stable isomer. This interpretation is consistent with density functional theory calculations based on silver nanoclusters, in the size range 147-201 atoms, on which methanethiol molecules are adsorbed. An understanding of the effects of ambient exposure on the atomic structure and therefore functional properties of nanoparticles is highly relevant to their real-world performance and applications. Journal Article Communications Chemistry 6 1 Springer Science and Business Media LLC 2399-3669 24 1 2023 2023-01-24 10.1038/s42004-023-00813-9 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) UKRI EPSRC, EP/K006061/2 2023-02-07T16:28:01.0121750 2023-01-24T09:21:06.2456134 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Jerome Vernieres 0000-0003-4841-8994 1 Nathalie Tarrat 0000-0002-0909-0001 2 Sean Lethbridge 0000-0002-0516-1650 3 Erica Watchorn-Rokutan 0000-0003-1031-9843 4 Thomas Slater 0000-0003-0372-1551 5 David Loffreda 6 Richard Palmer 0000-0001-8728-8083 7 62422__26457__b17ea51e3eac41a68aabda18ac31fa12.pdf 62422.pdf 2023-02-03T11:13:20.0221946 Output 1708835 application/pdf Version of Record true © The Author(s) 2023. This article is licensed under a Creative Commons Attribution 4.0 International License true eng http://creativecommons.org/licenses/by/4.0/
title	Influence of air exposure on structural isomers of silver nanoparticles
spellingShingle	Influence of air exposure on structural isomers of silver nanoparticles Richard Palmer
title_short	Influence of air exposure on structural isomers of silver nanoparticles
title_full	Influence of air exposure on structural isomers of silver nanoparticles
title_fullStr	Influence of air exposure on structural isomers of silver nanoparticles
title_full_unstemmed	Influence of air exposure on structural isomers of silver nanoparticles
title_sort	Influence of air exposure on structural isomers of silver nanoparticles
author_id_str_mv	6ae369618efc7424d9774377536ea519
author_id_fullname_str_mv	6ae369618efc7424d9774377536ea519_***_Richard Palmer
author	Richard Palmer
author2	Jerome Vernieres Nathalie Tarrat Sean Lethbridge Erica Watchorn-Rokutan Thomas Slater David Loffreda Richard Palmer
format	Journal article
container_title	Communications Chemistry
container_volume	6
container_issue	1
publishDate	2023
institution	Swansea University
issn	2399-3669
doi_str_mv	10.1038/s42004-023-00813-9
publisher	Springer Science and Business Media LLC
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 Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str	1
active_str	0
description	Up to date, the influence of ambient air exposure on the energetics and stability of silver clusters has rarely been investigated and compared to clusters in vacuum. Silver clusters up to 3000 atoms in size, on an amorphous carbon film, have been exposed to ambient air and investigated by atomic-resolution imaging in the aberration-corrected Scanning Transmission Electron Microscope. Ordered structures comprise more than half the population, the rest are amorphous. Here, we show that the most common ordered isomer structures is the icosahedron. These results contrast with the published behaviour of silver clusters protected from atmospheric exposure, where the predominant ordered isomer is face-centred cubic. We propose that the formation of surface oxide or sulphide species resulting from air exposure can account for this deviation in stable isomer. This interpretation is consistent with density functional theory calculations based on silver nanoclusters, in the size range 147-201 atoms, on which methanethiol molecules are adsorbed. An understanding of the effects of ambient exposure on the atomic structure and therefore functional properties of nanoparticles is highly relevant to their real-world performance and applications.
published_date	2023-01-24T04:22:01Z
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score	11.012678

Influence of air exposure on structural isomers of silver nanoparticles

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