Catalytic activity of supported au nanoparticles deposited from block copolymer micelles

被引：528

作者：

Jaramillo, TF ^{[1
]}

Baeck, SH ^{[1
]}

Roldan Cuenya, B ^{[1
]}

McFarland, EW ^{[1
]}

机构：

[1] Univ Calif Santa Barbara, Dept Chem Engn, Santa Barbara, CA 93106 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2003年 / 125卷 / 24期

关键词：

D O I：

10.1021/ja029800v

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Quasi-ordered, highly dispersed, gold nanoclusters of tightly controlled particle size were synthesized by dip-coating substrates with gold precursors encapsulated by block-copolymer micelles. By this method, gold particles (4.8 ± 1.3 nm) were deposited on ITO-coated glass and shown to be catalytically active for electro-oxidation of carbon monoxide. XPS confirmed the catalytically active particles were predominantly Au0; however, a large fraction existed as Au3+. Whereas bulk gold is inert, these results demonstrate that catalytically active Au nanoparticles can be derived from micelle encapsulation. Copyright © 2003 American Chemical Society.

引用

页码：7148 / 7149

页数：2

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