Nitrogen-Doped Colloidal Graphene Quantum Dots and Their Size-Dependent Electrocatalytic Activity for the Oxygen Reduction Reaction

被引：529

作者：

Li, Qiqi ^{[1
]}

Zhang, Sheng ^{[2
]}

Dai, Liming ^{[2
]}

Li, Liang-shi ^{[1
]}

机构：

[1] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA

[2] Case Western Reserve Univ, Dept Macromol Sci & Engn, Cleveland, OH 44106 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 46期

基金：

美国国家科学基金会;

关键词：

CATALYSTS; ARRAYS;

D O I：

10.1021/ja309270h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nitrogen doping has been a powerful way to modify the properties of carbon materials ranging from activated carbon to graphene. Here we report on a solution chemistry approach to nitrogen-doped colloidal graphene quantum dots with well-defined structures. N-doping was demonstrated to significantly affect the properties of the quantum dots, including the emergence of size-dependent electrocatalytic activity for the oxygen reduction reaction.

引用

收藏

页码：18932 / 18935

页数：4

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