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Direct electrodeposition of tetrahexahedral Pd nanocrystals with high-index facets and high catalytic activity for ethanol electrooxidation.

Authors
  • Tian, Na
  • Zhou, Zhi-You
  • Yu, Neng-Fei
  • Wang, Li-Yang
  • Sun, Shi-Gang
Type
Published Article
Journal
Journal of the American Chemical Society
Publisher
American Chemical Society
Publication Date
Jun 09, 2010
Volume
132
Issue
22
Pages
7580–7581
Identifiers
DOI: 10.1021/ja102177r
PMID: 20469858
Source
Medline
License
Unknown

Abstract

Tetrahexahedral Pd nanocrystals (THH Pd NCs) with {730} high-index facets were directly produced on a glassy carbon substrate in a dilute PdCl(2) solution by a newly developed programmed electrodeposition method. The THH Pd NCs, thanks to their high density of surface atomic steps, exhibit 4-6 times higher catalytic activity than commercial Pd black catalyst toward ethanol electrooxidation in alkaline solutions. This straightforward method provides a promising route to facile preparation of high-index-faceted metal nanocatalysts with high catalytic activity.

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