Sulfur and Nitrogen Co-Doped, Few-Layered Graphene Oxide as a Highly Efficient Electrocatalyst for the Oxygen-Reduction Reaction

被引：227

作者：

Xu, Jiaoxing ^{[1
]}

Dong, Guofa ^{[1
]}

Jin, Chuanhong ^{[2
]}

Huang, Meihua ^{[1
]}

Guan, Lunhui ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Yangqiao West Rd 155, Fuzhou 50002, Fujian, Peoples R China

[2] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Ctr Electron Microscopy, Hangzhou 310027, Zhejiang, Peoples R China

来源：

CHEMSUSCHEM | 2013年 / 6卷 / 03期

基金：

中国国家自然科学基金;

关键词：

carbon; electrocatalysis; chemical vapor deposition; electrochemistry; platinum-free; CATALYSTS;

D O I：

10.1002/cssc.201200564

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

S and N co-doped, few-layered graphene oxide is synthesized by using pyrimidine and thiophene as precursors for the application of the oxygen reduction reaction (ORR). The dual-doped catalyst with pyrrolic/graphitic N-dominant structures exhibits competitive catalytic activity (10.0mAcm2 kinetic-limiting current density at 0.25V) that is superior to that for mono N-doped carbon nanomaterials. This is because of a synergetic effect of N and S co-doping. Furthermore, the dual-doped catalyst also shows an efficient four-electron-dominant ORR process, which has excellent methanol tolerance and improved durability in comparison to commercial Pt/C catalysts.

引用

页码：493 / 499

页数：7

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