Determination of the Local Chemical Structure of Graphene Oxide and Reduced Graphene Oxide

被引:1060
作者
Erickson, Kris [1 ]
Erni, Rolf [2 ,3 ]
Lee, Zonghoon [2 ]
Alem, Nasim [1 ]
Gannett, Will [1 ]
Zettl, Alex [1 ]
机构
[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Natl Ctr Elect Microscopy, Berkeley, CA 94720 USA
[3] Empa Swiss Fed Labs Mat Testing & Res, CH-8600 Dubendorf, Switzerland
基金
美国国家科学基金会;
关键词
GRAPHITE OXIDE; FILMS; TRANSPARENT; MONOLAYERS; MOLECULES; DYNAMICS; SHEETS; VAPOR; ORDER;
D O I
10.1002/adma.201000732
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The local atomic structure of graphene oxide (GO) and reduced annealed graphene oxide (raGO) is determined via ultra-high-resolution transmission electron microscopy. We find that the proposed and desired return to graphene from GO is not possible through the synthetic route employed. The detailed structure of GO, previously unknown, is revealed as mottled, with few square nanometer graphitic regions separated by highly oxidized regions. © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:4467 / 4472
页数:6
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