期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 131, 期 39, 页码 13916-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja9059409
关键词
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资金
- NSFC [20871100, 20721001]
- MSTC [92009CB930703]
- RFDP [200803841010]
- NSF [2009J06005]
- Fujian Province [2009HZ0002-1]
Novel concave Pd nanocrystals with uniform diameter were successfully prepared in the presence of formaldehyde. While the outer surfaces of the as-prepared concave Pd nanocrystals are {111}, the faces concave toward the polyhedral. center are high-surface-energy {110} faces. The degree of concavity and therefore the percentage of {110} of the nanocrystals are tunable by varying the amount of formaldehyde and the reaction temperature. Owing to the existence of active {110} facets, the electrocatalytic activity of the concave Pd nanocrystals displays dependency on their degree of concavity.
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