A general approach to the size- and shape-controlled synthesis of platinum nanoparticles and their catalytic reduction of oxygen

被引：756
|
作者：
Wang, Chao [1 ]
Daimon, Hideo [2 ]
Onodera, Taigo [2 ]
Koda, Tetsunori [1 ,2 ]
Sun, Shouheng [1 ]
机构：
[1] Brown Univ, Dept Chem, Providence, RI 02912 USA
[2] Hitachi Maxell Ltd, Technol & Dev Div, Ibaraki 3002496, Japan
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2008年 / 47卷 / 19期
关键词：
fuel cells; heterogeneous catalysis; nanoparticles; oxygen; platinum;
D O I：
10.1002/anie.200800073
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Catalytic cobblestones: Monodisperse platinum nanoparticles were prepared with controlled sizes (3-7 nm) and shapes (polyhedron, truncated cube, or cube). The cubic nanoparticles are a much more active cathode catalyst for the oxygen reduction reaction: the current density J from 7 nm cubes is four times that of the other shapes (see picture), indicating great potential for fuel cell applications. (Graph Presented) © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：3588 / 3591
页数：4
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