期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 418, 期 -, 页码 37-42出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2013.12.009
关键词
Graphene; Naphthalene; pi-pi Interaction; Liquid-phase exfoliation
资金
- Research Fund of the University of Ulsan
We report a facile method for the production of graphene sheets through liquid-phase exfoliation of graphite in organic solvents with addition of naphthalene. The production yield of graphene is significantly increased with the addition of naphthalene in most solvents tested in this work. Naphthalene serves as a molecular wedge to intercalate into the edge of graphite, which plays a key role during sonication and significantly improves the production yield of graphene. The graphene concentration of the dispersion in 1-methyl-2-pyrrolidinone is as high as 0.15 mg/mL (after sonication for 90 min), which allows this method to easily produce films and composites for a range of applications. (C) 2013 Elsevier Inc. All rights reserved.
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