Effect of trimetallization in thiolate-protected Au24−nCunPd clusters

Sachil Sharma; Wataru Kurashige; Katsuyuki Nobusada; Yuichi Negishi

doi:10.1039/C5NR01491C

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Effect of trimetallization in thiolate-protected Au_24−nCu_nPd clusters†

Sachil Sharma,^a Wataru Kurashige,^a Katsuyuki Nobusada^bc and Yuichi Negishi*^ade

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* Corresponding authors

^a Department of Applied Chemistry, Faculty of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
E-mail: negishi@rs.kagu.tus.ac.jp
Fax: +81-3-5261-4631
Tel: +81-3-5228-9145

^b Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8585, Japan

^c Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University, Katsura, Kyoto 615-8520, Japan

^d Department of Materials Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8585, Japan

^e Photocatalysis International Research Center, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan

Abstract

We synthesized a mixture of Au_24−nCu_nPd(SC₁₂H₂₅)₁₈ (n = 0–3) and Au_25−nCu_n(SC₁₂H₂₅)₁₈ (n = 0–7) and compared their stability. The results showed that, in a cluster containing one Cu atom, the presence of Pd is effective in improving the cluster stability. Conversely, the presence of Pd has different effects depending on the number of Cu atoms in the cluster: cluster formation was inhibited for clusters containing four or more Cu atoms.

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Article information

DOI: https://doi.org/10.1039/C5NR01491C
Article type: Paper
Submitted: 07 Mar 2015
Accepted: 22 Apr 2015
First published: 27 Apr 2015

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Nanoscale, 2015,7, 10606-10612

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Effect of trimetallization in thiolate-protected Au_24−nCu_nPd clusters

S. Sharma, W. Kurashige, K. Nobusada and Y. Negishi, Nanoscale, 2015, 7, 10606 DOI: 10.1039/C5NR01491C

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