Electrocatalytic Activity of BN Codoped Graphene Oxide Derived from Carbon Dioxide

被引：25

作者：

Byeon, Ayeong ^{[1
]}

Lee, Jae W. ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Taejon 305701, South Korea

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2013年 / 117卷 / 46期

关键词：

METAL-FREE ELECTROCATALYSTS; NITROGEN-DOPED GRAPHENE; OXYGEN-REDUCTION; NANOTUBES; BORON;

D O I：

10.1021/jp407425y

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：

The formation of boron and nitrogen (BN) codoped graphene oxide (GO) from carbon dioxide (CO2) was accomplished using ammonia borane (NH3BH3) as a reducing agent. This graphene-based material was produced in two sequential processes (carbon fixation and pyrolysis) under moderate reaction conditions. One important potential application for the graphene-based material is as catalysts for oxygen reduction reaction (ORR) in fuel cell electrodes. This utilization is supported by the fact that B and N are incorporated into the carbon lattice and the BN insertion improves the electro-catalytic activity for ORR. Electrochemical measurements of BN codoped GO catalysts confirmed the activity for oxygen reduction reaction. The origin of the electro-catalytic activity was elucidated by identifying the insertion of B and N atoms as BCO2 and pyrrolic N in X-ray photoelectron spectroscopy.

引用

页码：24167 / 24173

页数：7

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