Enhancement of electrocatalytic activity of octahedral Au@Pt core-shell nanoparticles by the surface plasmon excitation

Tatsuya Kameyama; Kentaro Sato; Tsukasa Torimoto

doi:10.1117/12.2274899

18 April 2017 Enhancement of electrocatalytic activity of octahedral Au@Pt core-shell nanoparticles by the surface plasmon excitation

Tatsuya Kameyama, Kentaro Sato, Tsukasa Torimoto

Author Affiliations +

Proceedings Volume 10252, Optical Manipulation Conference; 102521E (2017) https://doi.org/10.1117/12.2274899
Event: SPIE Technologies and Applications of Structured Light, 2017, Yokohama, Japan

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.

Citation Download Citation

Tatsuya Kameyama, Kentaro Sato, and Tsukasa Torimoto "Enhancement of electrocatalytic activity of octahedral Au@Pt core-shell nanoparticles by the surface plasmon excitation", Proc. SPIE 10252, Optical Manipulation Conference, 102521E (18 April 2017); https://doi.org/10.1117/12.2274899

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