Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 4, Issue 9, Pages 4461-4464Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am3013592
Keywords
palladium/copper alloy; hollow nanostructure; surface energy difference; electrocatalytic activity; direct formic acid fuel cell; formic acid oxidation
Funding
- National Science Foundation of China [21171051, 21271066]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1061]
- Innovation Fund for Outstanding Scholar of Henan Province [114200510004]
- Henan Key Proposed Program for Basic and Frontier Research [112102210005, 112300410095]
- Foundation for Key Young Teachers of Henan Province [2012GGJS-065]
- Henan Normal University
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Herein, through tuning the surface energy difference of the major crystal planes by alloying, hollow palladium/copper alloyed nanostructures are successfully prepared through a one-pot template-free strategy. Compared with the solid PdCu alloyed nanoparticles, the hollow PdCu alloyed nanostructures exhibit the increased accessible electrochemical active surface area and the enhanced electrocatalytic activity for formic acid oxidation. It is concluded that the as-prepared hollow PdCu alloyed nanostructures would be a potential candidate as an anode electrocatalyst in direct formic acid fuel cell. More importantly, the strategy developed in this study might be expanded to fabricate other metal alloyed hollow nanostructures.
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