Magnetically Recyclable Fe@Pt Core-Shell Nanoparticles and Their Use as Electrocatalysts for Ammonia Borane Oxidation: The Role of Crystallinity of the Core

被引：176
|
作者：
Zhang, Xin-Bo [1 ]
Yan, Jun-Min [1 ]
Han, Song [1 ]
Shioyama, Hiroshi [1 ]
Xu, Qiang [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Osaka 5638577, Japan
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 08期
关键词：
SHAPE-CONTROLLED SYNTHESIS; CHEMICAL HYDROGEN STORAGE; FUEL-CELL; PLATINUM NANOPARTICLES; FORMIC-ACID; REDUCTION; CATALYSTS; EFFICIENT; DEHYDROGENATION; OXYGEN;
D O I：
10.1021/ja808830a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Carbon-supported Fe@Pt core-shell nanoparticle (NP) catalysts with Fe cores in different crystal states have been successfully synthesized by a sequential reduction process. Unexpectedly, in contrast to its crystallized counterpart, iron in the amorphous state exerts a distinct and powerful ability as the core for the Fe@Pt NPs. The resultant NPs are far more active for ammonia borane oxidation (by up to 354%) than the commercial Pt/C catalysts. Furthermore, these NPs combine low cost, tong-term stability, and easy recovery functions.
引用
收藏
页码：2778 / +
页数：3
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