Highly active Pt@Au nanoparticles encapsulated in perfluorosulfonic acid for the reduction of oxygen

被引：24

作者：

Cheng, Niancai ^{[1
]}

Li, Huaiguang ^{[1
]}

Li, Guoqiang ^{[2
]}

Lv, Haifeng ^{[1
]}

Mu, Shichun ^{[1
]}

Sun, Xueliang ^{[3
]}

Pan, Mu ^{[1
]}

机构：

[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

[2] S China Univ Technol, Ctr Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China

[3] Univ Western Ontario, Dept Mech & Mat Engn, London, ON N6A 5B9, Canada

来源：

CHEMICAL COMMUNICATIONS | 2011年 / 47卷 / 48期

基金：

中国国家自然科学基金;

关键词：

CORE-SHELL NANOPARTICLES; FUEL-CELL CATALYSTS; TRANSITION-METALS; O-2; REDUCTION; ELECTROCATALYSTS; PLATINUM; DURABILITY; MONOLAYER; ALLOYS; NI;

D O I：

10.1039/c1cc15203c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The Pt@Au catalysts demonstrate remarkably high oxygen reduction reaction (ORR) activity compared with Pt/C catalysts. The ORR of Pt(2)@Au(1)/C and Pt(1)@Au(2)/C is 9.5 and 6.6 times that of Pt/C, respectively. This improvement is attributed to the electronic structure effect of the Au core on the Pt shell and introduction of PFSA.

引用

页码：12792 / 12794

页数：3

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