Journal
SMALL
Volume 6, Issue 24, Pages 2877-2884Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201001555
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Funding
- Office of Naval Research, EPSRC (UK)
- Korber Foundation
- Air Force Office of Scientific Research
- Royal Society
- CAS
- NSFC
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A stoichiometric derivative of graphene with a fluorine atom attached to each carbon is reported. Raman, optical, structural, micromechanical, and transport studies show that the material is qualitatively different from the known graphene-based nonstoichiometric derivatives. Fluorographene is a high-quality insulator (resistivity >10(12) Omega) with an optical gap of 3 eV. It inherits the mechanical strength of graphene, exhibiting a Young's modulus of 100 N m(-1) and sustaining strains of 15%. Fluorographene is inert and stable up to 400 degrees C even in air, similar to Teflon.
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