Thin-Film Cu-Pt(111) Near-Surface Alloys: Active Electrocatalysts for the Oxygen Reduction Reaction

被引：45

作者：

Henry, John B. ^{[1
]}

Maljusch, Artjom

Huang, Minghua ^{[1
]}

Schuhmann, Wolfgang ^{[1
]}

Bondarenko, Alexander S. ^{[1
]}

机构：

[1] Ruhr Univ Bochum, CES, D-44780 Bochum, Germany

来源：

ACS CATALYSIS | 2012年 / 2卷 / 07期

关键词：

near-surface alloys; ORR; electrocatalysis; Pt(111)-like thin films; CATALYSTS; PLATINUM;

D O I：

10.1021/cs300165t

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A simple method is presented for the formation of thin films of Cu-Pt(111) near-surface alloys (NSA). In these thin films, the solute metal (Cu) is preferentially located in the second platinum layer and protected by a Pt surface layer. The NSA films act as active and fairly stable electrocatalysts for the reduction of oxygen with the activity and stability which approach those for bulk single crystalline Pt alloy surfaces, and similar to 5 times more active than state-of-the-art Pt thin films.

引用

页码：1457 / 1460

页数：4

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