Dendritic Ternary Alloy Nanocrystals for Enhanced Electrocatalytic Oxidation Reactions

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Engineering the morphology and composition of multimetallic nanocrystals composed of noble and 3d transition metals has been of great interest due to its high potential to the development of high-performance catalytic materials for energy and sustainability. In the present work, we developed a facile aqueous approach for the formation of homogeneous ternary alloy nanocrystals with a dendritic shape, Pt–Pd–Cu nanodendrites, of which synthesis is hard to be achieved because of synthetic difficulties. Proper choice of stabilizer and fine control over the amount of stabilizer and reductant allowed the successful formation of Pt–Pd–Cu nanodendrites with controlled sizes and compositions. The prepared ternary alloy nanodendrites exhibited considerably improved electrocatalytic performance toward methanol and ethanol oxidation reactions compared to their binary alloy counterparts and commercial Pt and Pd catalysts, as well as to previously reported Pt- and Pd-based nanocatalysts because of synergism between their morphological and compositional characteristics. We anticipate that the present approach will be helpful to develop efficient electrocatalysis systems for practical applications.
Publisher
AMER CHEMICAL SOC
Issue Date
2017-12
Language
English
Article Type
Article
Citation

ACS APPLIED MATERIALS & INTERFACES, v.9, no.50, pp.44018 - 44026

ISSN
1944-8244
DOI
10.1021/acsami.7b14763
URI
http://hdl.handle.net/10203/239940
Appears in Collection
CH-Journal Papers(저널논문)
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