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Size control of Au nanoparticles from the scalable and solvent-free matrix assembly cluster source

Maria Chiara Spadaro, Lu Cao, William Terry, Richard Balog, Feng Yin, Richard Palmer Orcid Logo

Journal of Nanoparticle Research, Volume: 22, Issue: 6

Swansea University Authors: Maria Chiara Spadaro, Richard Palmer Orcid Logo

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DOI (Published version): 10.1007/s11051-020-04869-9

Abstract

Nanostructured gold is an intriguing system for heterogeneous catalysis at low temperature. Its activity is related to choice of support selection, particle-support interaction, and especially the particle size. Here, we investigate the possibility of controlling the size of Au clusters (nanoparticl...

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Published in: Journal of Nanoparticle Research
ISSN: 1388-0764 1572-896X
Published: Springer Science and Business Media LLC 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa54213
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first_indexed 2020-06-02T13:09:57Z
last_indexed 2020-10-21T03:06:05Z
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spelling 2020-10-20T12:43:29.6944745 v2 54213 2020-05-14 Size control of Au nanoparticles from the scalable and solvent-free matrix assembly cluster source 8733e40ba2bb203e97f99354be3348a5 Maria Chiara Spadaro Maria Chiara Spadaro true false 6ae369618efc7424d9774377536ea519 0000-0001-8728-8083 Richard Palmer Richard Palmer true false 2020-05-14 FGSEN Nanostructured gold is an intriguing system for heterogeneous catalysis at low temperature. Its activity is related to choice of support selection, particle-support interaction, and especially the particle size. Here, we investigate the possibility of controlling the size of Au clusters (nanoparticles) in the novel Matrix Assembly Cluster Source (MACS), a solvent-free nanoparticle source with potential for scale-up to the gram level. The novelty of the MACS is the idea of making clusters by sputtering a pre-condensed matrix of metal atoms embedded in a condensed non-reactive gas, e.g., Ar. This concept, introduced in 2016, has already proved deposition rates several orders of magnitude higher than conventional cluster beam routes. Such scale-up in the cluster production rate is crucial for industrial research on nanocatalysis under realistic reaction condition. Here, we report a systematic study of how Au metal loading in the matrix affects the size distribution of clusters generated. Furthermore, the obtained dependence of cluster size on deposition time provides clear confirmation of cluster formation inside the matrix by ion irradiation, rather than by aggregation of atoms on the TEM support after deposition. Journal Article Journal of Nanoparticle Research 22 6 Springer Science and Business Media LLC 1388-0764 1572-896X Nanoparticle; solvent-free synthesis; scale-up production; cluster; gold; size-dependence; catalysis;gas phase aggregation 1 6 2020 2020-06-01 10.1007/s11051-020-04869-9 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2020-10-20T12:43:29.6944745 2020-05-14T11:28:08.1513168 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Maria Chiara Spadaro 1 Lu Cao 2 William Terry 3 Richard Balog 4 Feng Yin 5 Richard Palmer 0000-0001-8728-8083 6 54213__17395__071961c7070a485cbee539ddb78de565.pdf 54213.pdf 2020-06-02T11:32:56.0244510 Output 2340788 application/pdf Version of Record true Released under the terms of a Creative Commons Attribution 4.0 International License (CC-BY). true eng http://creativecommons.org/licenses/by/4.0/
title Size control of Au nanoparticles from the scalable and solvent-free matrix assembly cluster source
spellingShingle Size control of Au nanoparticles from the scalable and solvent-free matrix assembly cluster source
Maria Chiara Spadaro
Richard Palmer
title_short Size control of Au nanoparticles from the scalable and solvent-free matrix assembly cluster source
title_full Size control of Au nanoparticles from the scalable and solvent-free matrix assembly cluster source
title_fullStr Size control of Au nanoparticles from the scalable and solvent-free matrix assembly cluster source
title_full_unstemmed Size control of Au nanoparticles from the scalable and solvent-free matrix assembly cluster source
title_sort Size control of Au nanoparticles from the scalable and solvent-free matrix assembly cluster source
author_id_str_mv 8733e40ba2bb203e97f99354be3348a5
6ae369618efc7424d9774377536ea519
author_id_fullname_str_mv 8733e40ba2bb203e97f99354be3348a5_***_Maria Chiara Spadaro
6ae369618efc7424d9774377536ea519_***_Richard Palmer
author Maria Chiara Spadaro
Richard Palmer
author2 Maria Chiara Spadaro
Lu Cao
William Terry
Richard Balog
Feng Yin
Richard Palmer
format Journal article
container_title Journal of Nanoparticle Research
container_volume 22
container_issue 6
publishDate 2020
institution Swansea University
issn 1388-0764
1572-896X
doi_str_mv 10.1007/s11051-020-04869-9
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 Nanostructured gold is an intriguing system for heterogeneous catalysis at low temperature. Its activity is related to choice of support selection, particle-support interaction, and especially the particle size. Here, we investigate the possibility of controlling the size of Au clusters (nanoparticles) in the novel Matrix Assembly Cluster Source (MACS), a solvent-free nanoparticle source with potential for scale-up to the gram level. The novelty of the MACS is the idea of making clusters by sputtering a pre-condensed matrix of metal atoms embedded in a condensed non-reactive gas, e.g., Ar. This concept, introduced in 2016, has already proved deposition rates several orders of magnitude higher than conventional cluster beam routes. Such scale-up in the cluster production rate is crucial for industrial research on nanocatalysis under realistic reaction condition. Here, we report a systematic study of how Au metal loading in the matrix affects the size distribution of clusters generated. Furthermore, the obtained dependence of cluster size on deposition time provides clear confirmation of cluster formation inside the matrix by ion irradiation, rather than by aggregation of atoms on the TEM support after deposition.
published_date 2020-06-01T04:07:36Z
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score 11.037056

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