How Graphene Is Cut upon Oxidation?

被引：313

作者：

Li, Zhenyu ^{[1
,2
]}

Zhang, Wenhua ^{[1
,2
]}

Luo, Yi ^{[1
,2
]}

Yang, Jinlong ^{[1
]}

Hou, Jian Guo ^{[1
]}

机构：

[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China

[2] Royal Inst Technol, Dept Theoret Chem, Sch Biotechnol, S-10691 Stockholm, Sweden

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 18期

关键词：

GRAPHITE; FILMS;

D O I：

10.1021/ja8094729

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Our first principles calculations reveal that an oxidative cut of graphene is realized by forming epoxy and then carbonyl pairs. Direct formation of a carbonyl pair to tear graphene up from an edge position is not favorable in energy. This atomic picture is valuable for developing effective means of graphene manipulation. The proposed epoxy pairs may be related to some long puzzling experimental observations on graphene oxide.

引用

页码：6320 / +

页数：3

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