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A Demonstration of Pt L-3-Edge EXAFS Free from Au L-3-Edge Using Log-Spiral Bent Crystal Laue Analyzers

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Title: A Demonstration of Pt L-3-Edge EXAFS Free from Au L-3-Edge Using Log-Spiral Bent Crystal Laue Analyzers
Authors: Wakisaka, Yuki Browse this author
Kido, Daiki Browse this author
Uehara, Hiromitsu Browse this author
Yuan, Qiuyi Browse this author
Takakusagi, Satoru Browse this author
Uemura, Yohei Browse this author
Yokoyama, Toshihiko Browse this author
Wada, Takahiro Browse this author
Uo, Motohiro Browse this author
Sakata, Tomohiro Browse this author
Sekizawa, Oki Browse this author
Uruga, Tomoya Browse this author
Iwasawa, Yasuhiro Browse this author
Asakura, Kiyotaka Browse this author →KAKEN DB
Keywords: Pt-Au
XAFS
BCLA
Issue Date: May-2018
Publisher: MDPI
Journal Title: Catalysts
Volume: 8
Issue: 5
Start Page: 204
Publisher DOI: 10.3390/catal8050204
Abstract: Pt-Au nanostructures are important and well-studied fuel cell catalysts for their promising catalytic performance. However, a detailed quantitative local structure analysis, using extended X-ray absorption fine structure (EXAFS) spectroscopy, have been inhibited by interference between Pt and Au L-3-edges. In this paper, Pt L-3-edge XAFS analysis, free of Au L-3 edge, is demonstrated for a Pt-Au reference sample using a low-cost log-spiral bent crystal Laue analyzer (BCLA). This method facilitates the EXAFS structural analysis of Pt-Au catalysts, which are important to improve fuel cell catalysts.
Rights: © 2018 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/).
https://creativecommons.org/licenses/by/4.0/
Type: article
URI: http://hdl.handle.net/2115/71159
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 朝倉 清高

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