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Site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts

The growth of atomically dispersed metal catalysts (ADMCs) remains a great challenge owing to the thermodynamically driven atom aggregation. Here we report a surface-limited electrodeposition technique that uses site-specific substrates for the rapid and room-temperature synthesis of ADMCs. We obtai...

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Autores principales: Shi, Yi, Huang, Wen-Mao, Li, Jian, Zhou, Yue, Li, Zhong-Qiu, Yin, Yun-Chao, Xia, Xing-Hua
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7486907/
https://www.ncbi.nlm.nih.gov/pubmed/32917900
http://dx.doi.org/10.1038/s41467-020-18430-8
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author Shi, Yi
Huang, Wen-Mao
Li, Jian
Zhou, Yue
Li, Zhong-Qiu
Yin, Yun-Chao
Xia, Xing-Hua
author_facet Shi, Yi
Huang, Wen-Mao
Li, Jian
Zhou, Yue
Li, Zhong-Qiu
Yin, Yun-Chao
Xia, Xing-Hua
author_sort Shi, Yi
collection PubMed
description The growth of atomically dispersed metal catalysts (ADMCs) remains a great challenge owing to the thermodynamically driven atom aggregation. Here we report a surface-limited electrodeposition technique that uses site-specific substrates for the rapid and room-temperature synthesis of ADMCs. We obtained ADMCs by the underpotential deposition of a non-noble single-atom metal onto the chalcogen atoms of transition metal dichalcogenides and subsequent galvanic displacement with a more-noble single-atom metal. The site-specific electrodeposition enables the formation of energetically favorable metal–support bonds, and then automatically terminates the sequential formation of metallic bonding. The self-terminating effect restricts the metal deposition to the atomic scale. The modulated ADMCs exhibit remarkable activity and stability in the hydrogen evolution reaction compared to state-of-the-art single-atom electrocatalysts. We demonstrate that this methodology could be extended to the synthesis of a variety of ADMCs (Pt, Pd, Rh, Cu, Pb, Bi, and Sn), showing its general scope for functional ADMCs manufacturing in heterogeneous catalysis.
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spelling pubmed-74869072020-09-25 Site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts Shi, Yi Huang, Wen-Mao Li, Jian Zhou, Yue Li, Zhong-Qiu Yin, Yun-Chao Xia, Xing-Hua Nat Commun Article The growth of atomically dispersed metal catalysts (ADMCs) remains a great challenge owing to the thermodynamically driven atom aggregation. Here we report a surface-limited electrodeposition technique that uses site-specific substrates for the rapid and room-temperature synthesis of ADMCs. We obtained ADMCs by the underpotential deposition of a non-noble single-atom metal onto the chalcogen atoms of transition metal dichalcogenides and subsequent galvanic displacement with a more-noble single-atom metal. The site-specific electrodeposition enables the formation of energetically favorable metal–support bonds, and then automatically terminates the sequential formation of metallic bonding. The self-terminating effect restricts the metal deposition to the atomic scale. The modulated ADMCs exhibit remarkable activity and stability in the hydrogen evolution reaction compared to state-of-the-art single-atom electrocatalysts. We demonstrate that this methodology could be extended to the synthesis of a variety of ADMCs (Pt, Pd, Rh, Cu, Pb, Bi, and Sn), showing its general scope for functional ADMCs manufacturing in heterogeneous catalysis. Nature Publishing Group UK 2020-09-11 /pmc/articles/PMC7486907/ /pubmed/32917900 http://dx.doi.org/10.1038/s41467-020-18430-8 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Shi, Yi
Huang, Wen-Mao
Li, Jian
Zhou, Yue
Li, Zhong-Qiu
Yin, Yun-Chao
Xia, Xing-Hua
Site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts
title Site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts
title_full Site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts
title_fullStr Site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts
title_full_unstemmed Site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts
title_short Site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts
title_sort site-specific electrodeposition enables self-terminating growth of atomically dispersed metal catalysts
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7486907/
https://www.ncbi.nlm.nih.gov/pubmed/32917900
http://dx.doi.org/10.1038/s41467-020-18430-8
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