期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 13, 期 30, 页码 13594-13597出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cp21680e
关键词
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资金
- National Natural Science Foundation of China [20925312]
- State Key Basic Research Program of PRC [2007CB209703, 2011CB935903]
- Shanghai Science & Technology Committee [10JC1401500, 08DZ2270500]
The pathway of formic acid electrooxidation strongly depends on the amount of three neighbouring Pt or Pd atoms in the surface of Pd- or Pt-based catalysts. Here, Pt decorated Pd/C nanoparticles (the optimal atomic ratio, Pd : Pt = 20:1) were designed and then synthesized through a facile galvanic replacement reaction where the amount of three neighbouring Pt or Pd atoms markedly decreased. As a result, discontinuous Pd and Pt atoms suppressed CO formation and exhibited unprecedented catalytic activity and stability toward formic acid electrooxidation while the cost was almost the same as that of Pd/C.
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