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

页码：2778 / +

页数：3

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