Water-Soluble Graphite Nanoplatelets Formed by Oleum Exfoliation of Graphite

被引：37
|
作者：
Mukherjee, Arnab [2 ,3 ]
Kang, JungHo [1 ]
Kuznetsov, Oleksandr [4 ]
Sun, Yanqiu
Thaner, Ryan [2 ,3 ]
Bratt, Ariana S. [2 ,3 ]
Lomeda, Jay R. [2 ,3 ]
Kelly, Kevin F. [1 ]
Billups, W. E. [2 ,3 ]
机构：
[1] Rice Univ, Dept Elect & Comp Engn, Houston, TX 77251 USA
[2] Rice Univ, Dept Chem, Houston, TX USA
[3] Rice Univ, Richard E Smalley Inst Nanoscale Sci & Technol, Houston, TX USA
[4] Rice Univ, Dept Phys & Astron, Appl Phys Program, Houston, TX USA
来源：
CHEMISTRY OF MATERIALS | 2011年 / 23卷 / 01期
基金：
美国国家科学基金会;
关键词：
ELECTRICAL-CONDUCTIVITY; CARBON NANOTUBES; GRAPHENE SHEETS; OXIDE; REDUCTION; FILMS;
D O I：
10.1021/cm100808f
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：
A facile route to water-soluble graphite nanoplatelets that uses graphite as the starting material is described. The method relies on the addition of phenyl radicals with subsequent sulfonation of the phenyl groups. Atomic force microscopy, high-resolution transmission electron microscopy, and scanning tunneling microscopy images show that a high degree of exfoliation occurs during the sulfonation step. The sheet resistance of the bulk films of the nanoplatelets prepared by vacuum filtration using an anodisc membrane was found to be 212 Omega/sq.
引用
收藏
页码：9 / 13
页数：5
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