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Open Access Nano Express

High Activity of Hexagonal Ag/Pt Nanoshell Catalyst for Oxygen Electroreduction

Chien-Liang Lee*, Chun-Ming Tseng, Chen-Chung Wu, Tsung-Chia Chou and Ciou-Mei Syu

Author affiliations

Department of Chemical and Materials Engineering, National Kaohsiung University of Applied Science, No. 415, Chien Kung Rd., Kaohsiung, 807, Taiwan, ROC

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Citation and License

Nanoscale Research Letters 2008, 4:193-196  doi:10.1007/s11671-008-9224-3

Published: 4 December 2008


Hexagonal Ag/Pt nanoshells were prepared by using a hexagonal Ag nanoplate as the displacement template and by introducing Pt ions. The prepared Ag/Pt nanoshells played the role of an electrocatalyst in an oxygen reduction process. Compared to spherical Pt and Ag/Pt nanoparticles, the hexagonal Ag/Pt nanoshells showed higher activity for oxygen electroreduction.

Nanoparticles; Electrocatalysts