Production of graphene by exfoliation of graphite in a volatile organic solvent

被引：67

作者：

Choi, Eun-Young ^{[1
]}

Choi, Won San ^{[2
,3
]}

Lee, Young Boo ^{[3
]}

Noh, Yong-Young ^{[4
]}

机构：

[1] Korea Atom Energy Res Inst, Nucl Fuel Cycle Dev Grp, Taejon 305353, South Korea

[2] Hanbat Natl Univ, Dept Appl Chem, Taejon 305719, South Korea

[3] Korea Basic Sci Inst, Jeonju 561756, South Korea

[4] Hanbat Natl Univ, Dept Chem Engn, Taejon 305719, South Korea

来源：

NANOTECHNOLOGY | 2011年 / 22卷 / 36期

关键词：

LIQUID-PHASE EXFOLIATION; AQUEOUS DISPERSIONS; TRANSPARENT; OXIDE; ELECTRODES; FILMS; GAS; REDUCTION;

D O I：

10.1088/0957-4484/22/36/365601

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The production of unfunctionalized and nonoxidized graphene by exfoliation of graphite in a volatile solvent, 1-propanol, is reported. A stable homogeneous dispersion of graphene was obtained by mild sonication of graphite powder and subsequent centrifugation. The presence of a graphene monolayer was observed by atomic force microscopy and transmission electron microscopy. The solvent, 1-propanol, from the deposited dispersion was simply and quickly removed by air drying at room temperature, without the help of high temperature annealing or vacuum drying, which shortens production time and does not leave any residue of the solvent in the graphene sheets.

引用

页数：6

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