Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/29390
Title: Facile synthesis of wide-bandgap fluorinated graphene semiconductors
Authors: Chang, H
Cheng, J
Liu, X
Gao, J
Li, M
Li, J
Tao, X 
Ding, F 
Zheng, Z 
Keywords: Density functional theory
Fluorine
Graphene
Ionic liquids
Semiconductors
Issue Date: 2011
Publisher: Wiley-VCH
Source: Chemistry - a European journal, 2011, v. 17, no. 32, p. 8896-8903 How to cite?
Journal: Chemistry - a European journal 
Abstract: The bandgap opening of graphene is extremely important for the expansion of the applications of graphene-based materials into optoelectronics and photonics. Current methods to open the bandgap of graphene have intrinsic drawbacks including small bandgap openings, the use hazardous/harsh chemical oxidations, and the requirement of expensive chemical-vapor deposition technologies. Herein, an eco-friendly, highly effective, low-cost, and highly scalable synthetic approach is reported for synthesizing wide-bandgap fluorinated graphene (F-graphene or or fluorographene) semiconductors under ambient conditions. In this synthesis, ionic liquids are used as the only chemical to exfoliate commercially available fluorinated graphite into single and few-layer F-graphene. Experimental and theoretical results show that the bandgap of F-graphene is largely dependent on the F coverage and configuration, and thereby can be tuned over a very wide range.
URI: http://hdl.handle.net/10397/29390
ISSN: 0947-6539
EISSN: 1521-3765
DOI: 10.1002/chem.201100699
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