Nitrogen doping effects on the structure of graphene

被引：479

作者：

Geng, Dongsheng ^{[1
]}

Yang, Songlan ^{[1
,2
]}

Zhang, Yong ^{[1
]}

Yang, Jinli ^{[1
]}

Liu, Jian ^{[1
]}

Li, Ruying ^{[1
]}

Sham, Tsun-Kong ^{[2
]}

Sun, Xueliang ^{[1
]}

Ye, Siyu ^{[3
]}

Knights, Shanna ^{[3
]}

机构：

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

[2] Univ Western Ontario, Dept Chem, London, ON N6A 5B9, Canada

[3] Ballard Power Syst Inc, Burnaby, BC V5J 5J8, Canada

来源：

APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 21期

基金：

加拿大创新基金会; 加拿大自然科学与工程研究理事会;

关键词：

Graphene; Nitrogen doping; Defects; Structure; CARBON NANOTUBES; OXYGEN REDUCTION; DOPED GRAPHENE; GRAPHITE OXIDE; FILMS; FUNCTIONALIZATION; NANOPLATELETS; SPECTROSCOPY; STORAGE; NEXAFS;

D O I：

10.1016/j.apsusc.2011.05.131

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：

Graphene and nitrogen doped graphene have been prepared by modified Hummers' method and the following ammonia heat-treatment process, respectively. The effects of N-doping on the structure of graphene have been systematically investigated by various characterization techniques. SEM, TEM, BET, Raman and XRD analysis were used to distinguish the difference of the microstructures; and FT-IR, XPS, especially XANES were performed to elucidate the bonding information such as C-N. The effect of nitrogen doping on the structure of graphene has been obtained. More defects are present on nitrogen doped graphene as elucidated by BET, XRD, Raman, and XANES characterizations. XANES analysis also indicates that the N-doping decreases the surface oxygen-containing groups. (C) 2011 Published by Elsevier B. V.

引用

页码：9193 / 9198

页数：6

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