Growth limits in platinum oxides formed on Pt-skin layers on Pt-Co bimetallic nanoparticles |
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| Authors: | Imai Hideto Matsumoto Masashi Miyazaki Takashi Kato Kazuo Tanida Hajime Uruga Tomoya |
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| Institution: | Green Innovation Research Laboratories, NEC Corporation, 34 Miyukigaoka, Tsukuba, Japan. h-imai@ce.jp.nec.com |
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| Abstract: | The dynamical oxidation processes of Pt-skin layers on Pt(3)Co were investigated in situ and in real-time by time-resolved X-ray absorption spectroscopy combined with electrochemical measurements. Growth limit behaviors and the suppression of higher-order formation of surface oxides were observed, and these might explain the highly durable nature of Pt-skin layers. |
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