Efficient strategy of chlorine-assisted liquid-phase exfoliation of graphite

A large-scale, inexpensive, and facile strategy has been successfully developed for preparation of high-quality graphene nanosheets by combining electron-absorbing materials and chorine in N -methyl-2-pyrrolidone. The as-obtained graphene sheets were proven to contain low levels of naturally absorbe...

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Bibliographic Details
Published in:Journal of materials science 2017-04, Vol.52 (7), p.3786-3793
Main Authors: Tang, Xiao-Feng, Yang, Zhen-Guo, Liang, Jia-Hui
Format: Article
Language:English
Subjects:
Atomic force microscopy
Characterization and Evaluation of Materials
Chemistry and Materials Science
Chlorine
Classical Mechanics
Comparative analysis
Crystallography and Scattering Methods
Electron microscopes
Fourier transforms
Graphene
Graphite
Infrared analysis
Infrared spectroscopy
Liquid phases
Materials Science
Microscopy
Original Paper
Polymer Sciences
Raman spectroscopy
Scanning electron microscopy
Sheets
Solid Mechanics
Spectrum analysis
Thermogravimetric analysis
Transmission electron microscopy
X-ray diffraction
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Summary:A large-scale, inexpensive, and facile strategy has been successfully developed for preparation of high-quality graphene nanosheets by combining electron-absorbing materials and chorine in N -methyl-2-pyrrolidone. The as-obtained graphene sheets were proven to contain low levels of naturally absorbed oxygen inherited from the starting graphite by Fourier transform infrared spectroscopy, Raman spectroscopy, thermogravimetric analysis, and X-ray diffraction. Meanwhile, the structure of produced graphene sheets was further characterized using scanning electron microscopy, transmission electron microscopy, and atomic force microscopy. Compared to the previous techniques, this eco-friendly approach demonstrates obvious advantages, such as low cost and simplicity, which could be an alternative method to prepare graphene-based composites for the potential applications in the near future.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-016-0600-6