Nanocomposite of N-Doped TiO2 Nanorods and Graphene as an Effective Electrocatalyst for the Oxygen Reduction Reaction

被引：79

作者：

Yuan, Wenjing ^{[1
]}

Li, Juchuan ^{[2
]}

Wang, Likun ^{[1
]}

Chen, Ping ^{[1
]}

Xie, Anjian ^{[1
]}

Shen, Yuhua ^{[1
]}

机构：

[1] Anhui Univ, Sch Chem & Chem Engn, Hefei 230601, Anhui, Peoples R China

[2] Univ Kentucky, Dept Chem & Mat Engn, Lexington, KY 40506 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 24期

基金：

中国国家自然科学基金;

关键词：

N-doped TiO2; nitrogen-doped graphene; oxygen reduction reaction; nanocomposite; METAL-FREE ELECTROCATALYSTS; FACILE SYNTHESIS; SOLAR-CELLS; NITROGEN; CATALYST; OXIDE; NANOCRYSTALS; PYROLYSIS; MEMBRANE; SHEETS;

D O I：

10.1021/am507890h

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Developing an effective electrocatalyst for the oxygen reduction reaction is a momentous issue in fuel cells. In this paper, we successfully synthesized the N-doped TiO2 nanorods/graphene (N-TiO2/NG) nanocomposite, which comprise the N-doped TiO2 (N-TiO2) nanorods (40-60 nm diameter and 90-300 nm length) and self-assembled nitrogen-doped graphene (NG) networks. We found that the nanocomposite exhibits great oxygen reduction reaction (ORR) electrocatalytic performance and also shows long durability and methanol tolerance than that of the commercial 20% Pt/C catalyst. This new nanocomposite may also have potential applications in other fields, which are related to energy storage, gas sensors, photocatalysis, and so on.

引用

页码：21978 / 21985

页数：8

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