Novel nanoporous Au-Pd Alloy with high catalytic activity and excellent electrochemical stability

X. Y. Lang; H. Guo; L. Y. Chen; A. Kudo; J. S. Yu; W. Zhang; A. Inoue; M. W. Chen

doi:10.1021/jp907682x

Novel nanoporous Au-Pd Alloy with high catalytic activity and excellent electrochemical stability

X. Y. Lang, H. Guo, L. Y. Chen, A. Kudo, J. S. Yu, W. Zhang, A. Inoue, M. W. Chen

Research output: Contribution to journal › Article › peer-review

117 Citations (Scopus)

Abstract

A novel nanoporous gold-palladium alloy has been successfully fabricated by electrochemically dealloying a multicomponent metallic glass. In comparison with conventional nanoporous gold prepared by dealloying Au-Ag alloys, the nanoporous gold-palladium alloy shows much higher catalytic activity for electrooxidation of methanol as a free-standing electrode. Moreover, a small amount of palladium in the nanoporous alloy is found to dramatically improve the electrochemical stability of nanoporous gold.

Original language	English
Pages (from-to)	2600-2603
Number of pages	4
Journal	Journal of Physical Chemistry C
Volume	114
Issue number	6
DOIs	https://doi.org/10.1021/jp907682x
Publication status	Published - 2010 Feb 18

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Energy(all)
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

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abstract = "A novel nanoporous gold-palladium alloy has been successfully fabricated by electrochemically dealloying a multicomponent metallic glass. In comparison with conventional nanoporous gold prepared by dealloying Au-Ag alloys, the nanoporous gold-palladium alloy shows much higher catalytic activity for electrooxidation of methanol as a free-standing electrode. Moreover, a small amount of palladium in the nanoporous alloy is found to dramatically improve the electrochemical stability of nanoporous gold.",

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AU - Lang, X. Y.

AU - Guo, H.

AU - Chen, L. Y.

AU - Kudo, A.

AU - Yu, J. S.

AU - Zhang, W.

AU - Inoue, A.

AU - Chen, M. W.

PY - 2010/2/18

Y1 - 2010/2/18

N2 - A novel nanoporous gold-palladium alloy has been successfully fabricated by electrochemically dealloying a multicomponent metallic glass. In comparison with conventional nanoporous gold prepared by dealloying Au-Ag alloys, the nanoporous gold-palladium alloy shows much higher catalytic activity for electrooxidation of methanol as a free-standing electrode. Moreover, a small amount of palladium in the nanoporous alloy is found to dramatically improve the electrochemical stability of nanoporous gold.

AB - A novel nanoporous gold-palladium alloy has been successfully fabricated by electrochemically dealloying a multicomponent metallic glass. In comparison with conventional nanoporous gold prepared by dealloying Au-Ag alloys, the nanoporous gold-palladium alloy shows much higher catalytic activity for electrooxidation of methanol as a free-standing electrode. Moreover, a small amount of palladium in the nanoporous alloy is found to dramatically improve the electrochemical stability of nanoporous gold.

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