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Enhancing by Weakening: Electrooxidation of Methanol on Pt 3 Co and Pt Nanocubes
Author(s) -
Yang Hongzhou,
Zhang Jun,
Sun Kai,
Zou Shouzhong,
Fang Jiye
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201002888
Subject(s) - methanol , catalysis , metal , materials science , adsorption , chemical engineering , nanotechnology , chemistry , metallurgy , organic chemistry , engineering
Loaded dice : High‐quality and similarly sized Pt 3 Co and Pt nanocubes were prepared by gradually reducing metal precursors at high temperatures. Cyclic voltammetric and chronoamperometric results show a much higher methanol oxidation current density on Pt 3 Co nanocubes (see picture). The enhanced catalytic activity was explained by the slower and weaker adsorption of CO onto Pt 3 Co.
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