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From amorphous to ordered: Structural transformation of Pd nanoclusters in 1-pentyne hydrogenation reactions

Kuo-Juei Hu, Peter R. Ellis, Christopher M. Brown, Peter T. Bishop, Richard Palmer Orcid Logo

Journal of Catalysis, Volume: 397, Pages: 58 - 63

Swansea University Author: Richard Palmer Orcid Logo

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DOI (Published version): 10.1016/j.jcat.2021.03.019

Abstract

Nanostructured palladium catalysts are used industrially for selective alkyne hydrogenation reactions. However, structural changes can lead to a loss of performance. In this study, we show the evolution of the atomic structure of monodispersed Pd nanoclusters undergoing a vapour-phase 1-pentyne hydr...

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Published in: Journal of Catalysis
ISSN: 0021-9517
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa56682
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first_indexed 2021-04-19T09:37:21Z
last_indexed 2021-05-22T03:24:04Z
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spelling 2021-05-21T15:02:36.9270195 v2 56682 2021-04-19 From amorphous to ordered: Structural transformation of Pd nanoclusters in 1-pentyne hydrogenation reactions 6ae369618efc7424d9774377536ea519 0000-0001-8728-8083 Richard Palmer Richard Palmer true false 2021-04-19 MECH Nanostructured palladium catalysts are used industrially for selective alkyne hydrogenation reactions. However, structural changes can lead to a loss of performance. In this study, we show the evolution of the atomic structure of monodispersed Pd nanoclusters undergoing a vapour-phase 1-pentyne hydrogenation reaction. A specific structural transformation, from amorphous to highly symmetrical structures, is observed at the atomic level with aberration-corrected scanning transmission electron microscopy (AC-STEM). This surprising behaviour which occurs concurrently with the alkyne hydrogenation reaction, is clearly size-dependent. The results provide new understanding of the long-term stability of commercial heterogeneous catalysts. Journal Article Journal of Catalysis 397 58 63 Elsevier BV 0021-9517 Mass-selected, Palladium nanoclusters, AC-STEM, Alkyne hydrogenation 1 5 2021 2021-05-01 10.1016/j.jcat.2021.03.019 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2021-05-21T15:02:36.9270195 2021-04-19T10:33:54.7490985 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Kuo-Juei Hu 1 Peter R. Ellis 2 Christopher M. Brown 3 Peter T. Bishop 4 Richard Palmer 0000-0001-8728-8083 5 56682__19960__21a1176b893548dc85241deaee3c6dde.pdf 56682 (1).pdf 2021-05-21T14:49:08.1129779 Output 1751069 application/pdf Accepted Manuscript true 2022-03-29T00:00:00.0000000 ©2021 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title From amorphous to ordered: Structural transformation of Pd nanoclusters in 1-pentyne hydrogenation reactions
spellingShingle From amorphous to ordered: Structural transformation of Pd nanoclusters in 1-pentyne hydrogenation reactions
Richard Palmer
title_short From amorphous to ordered: Structural transformation of Pd nanoclusters in 1-pentyne hydrogenation reactions
title_full From amorphous to ordered: Structural transformation of Pd nanoclusters in 1-pentyne hydrogenation reactions
title_fullStr From amorphous to ordered: Structural transformation of Pd nanoclusters in 1-pentyne hydrogenation reactions
title_full_unstemmed From amorphous to ordered: Structural transformation of Pd nanoclusters in 1-pentyne hydrogenation reactions
title_sort From amorphous to ordered: Structural transformation of Pd nanoclusters in 1-pentyne hydrogenation reactions
author_id_str_mv 6ae369618efc7424d9774377536ea519
author_id_fullname_str_mv 6ae369618efc7424d9774377536ea519_***_Richard Palmer
author Richard Palmer
author2 Kuo-Juei Hu
Peter R. Ellis
Christopher M. Brown
Peter T. Bishop
Richard Palmer
format Journal article
container_title Journal of Catalysis
container_volume 397
container_start_page 58
publishDate 2021
institution Swansea University
issn 0021-9517
doi_str_mv 10.1016/j.jcat.2021.03.019
publisher Elsevier BV
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 palladium catalysts are used industrially for selective alkyne hydrogenation reactions. However, structural changes can lead to a loss of performance. In this study, we show the evolution of the atomic structure of monodispersed Pd nanoclusters undergoing a vapour-phase 1-pentyne hydrogenation reaction. A specific structural transformation, from amorphous to highly symmetrical structures, is observed at the atomic level with aberration-corrected scanning transmission electron microscopy (AC-STEM). This surprising behaviour which occurs concurrently with the alkyne hydrogenation reaction, is clearly size-dependent. The results provide new understanding of the long-term stability of commercial heterogeneous catalysts.
published_date 2021-05-01T04:11:49Z
_version_ 1763753810296045568
score 11.017797

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