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Enhancement of electrocatalytic activity of octahedral Au@Pt core-shell nanoparticles by the surface plasmon excitation
Author(s): Tatsuya Kameyama; Kentaro Sato; Tsukasa Torimoto
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Paper Abstract

Octahedral Au-core Pt-shell (Au@Pt) nanoparticles were successfully prepared via a galvanic replacement of Cu monolayer underpotentially deposited on Au core with a Pt monolayer. The visible light irradiation to Au@Pt nanoparticles-immobilized electrodes enlarged a cathodic current of oxygen reduction reaction (ORR), suggesting that the electrocatalytic activity of Pt shell layer was enhanced by the photoexcitation of localized surface plasmon resonance peak of octahedral Au-core particles.

Paper Details

Date Published: 18 April 2017
PDF: 2 pages
Proc. SPIE 10252, Optical Manipulation Conference, 102521E (18 April 2017); doi: 10.1117/12.2274899
Show Author Affiliations
Tatsuya Kameyama, Nagoya Univ. (Japan)
Kentaro Sato, Nagoya Univ. (Japan)
Tsukasa Torimoto, Nagoya Univ. (Japan)


Published in SPIE Proceedings Vol. 10252:
Optical Manipulation Conference
Takashige Omatsu, Editor(s)

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