Enhanced oxygen reduction activity of size-selected platinum subnanocluster catalysts: Ptn (n = 3

Enhanced oxygen reduction activity of size-selected platinum subnanocluster catalysts: Pt_n (n = 3–9)

Published:2022 Issue:5 Volume:12 Page:1400-1407
ISSN:2044-4753
Container-title:Catalysis Science & Technology
language:en
Short-container-title:Catal. Sci. Technol.

Author:

Ohnuma Akira¹^ORCID,Takahashi Koki²,Tsunoyama Hironori²,Inoue Tomoya²,Zhao Pei³^ORCID,Velloth Archana³,Ehara Masahiro³^ORCID,Ichikuni Nobuyuki⁴^ORCID,Tabuchi Masao⁵,Nakajima Atsushi²^ORCID

Affiliation:

1. New Field Pioneering Division, Toyota Boshoku Corporation, 1-1 Toyoda-cho, Kariya, Aichi 448-8651, Japan

2. Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan

3. Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan

4. Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan

5. Synchrotron Radiation Research Center, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan

Abstract

Ptn subnanoclusters (n = 3–9) on a carbon substrate exhibit 1.6–2.2 times higher activity than the standard Pt/C catalysts. EXAFS experiments and DFT calculations show plausible structures and energetics for reaction intermediates in the processes.

Funder

Japan Society for the Promotion of Science

Publisher

Royal Society of Chemistry (RSC)

Subject

Catalysis

Link

http://pubs.rsc.org/en/content/articlepdf/2022/CY/D1CY00573A

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