期刊
NANO RESEARCH
卷 3, 期 2, 页码 138-145出版社
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-010-1007-3
关键词
Nanotube; single-walled carbon nanotube; graphene; radical addition
类别
资金
- Wright-Patterson Air Force Laboratory
- AFOSR
- Robert A. Welch Foundation
- Advanced Energy Consortium
- Department of Energy's Hydrogen Storage Program
A simple one-pot reaction that serves to functionalize graphite nanosheets (graphene) and single-walled carbon nanotubes (SWNTs) with perfluorinated alkyl groups is reported. Free radical addition of 1-iodo-1H,1H,2H, 2H-perfluorododecane to ortho-dichlorobenzene suspensions of the carbon nanomaterial is initiated by thermal decomposition of benzoyl peroxide. Similarly, UV photolysis of 1-iodo-perfluorodecane serves to functionalize the carbon materials. Perfluorododecyl-SWNTs, perfluorododecyl-graphene, and perfluorodecyl-graphene are characterized by infrared (IR) and Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA), and atomic force microscopy (AFM). The products show enhanced dispersability in CHCl3 as compared to unfunctionalized starting materials. The advantage of this one-pot functionalization procedure lies in the use of pristine graphite as starting material thereby avoiding the use of harsh oxidizing conditions.
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