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

页码：3588 / 3591

页数：4

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