Bending Properties of Single Functionalized Graphene Sheets Probed by Atomic Force Microscopy

被引：179
|
作者：
Schniepp, Hannes C. [1 ]
Kudin, Konstantin N. [2 ]
Li, Je-Luen [2 ]
Prud'homme, Robert K. [1 ]
Car, Roberto [2 ]
Saville, Dudley A. [1 ]
Aksay, Ilhan A. [1 ]
机构：
[1] Princeton Univ, Dept Chem Engn, Princeton, NJ 08544 USA
[2] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA
来源：
ACS NANO | 2008年 / 2卷 / 12期
基金：
美国国家科学基金会;
关键词：
graphene; nanocomposites; mechanical properties; bending modulus; atomic force microscopy; density functional theory;
D O I：
10.1021/nn800457s
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We probe the bending characteristics of functionalized graphene sheets with the tip of an atomic force microscope. Individual sheets are transformed from a flat into a folded configuration. Sheets can be reversibly folded and unfolded multiple times, and the folding always occurs at the same location. This observation suggests that the folding and bending behavior of the sheets is dominated by pre-existing kink (or even fault) lines consisting of defects and/or functional groups.
引用
收藏
页码：2577 / 2584
页数：8
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