Reactivity of Fluorographene: A Facile Way toward Graphene Derivatives

Fluorographene (FG) is a two-dimensional graphene derivative with promising application potential; however, its reactivity is not understood. We have systematically explored its reactivity in vacuum and polar environments. The C–F bond dissociation energies for homo- and heterolytic cleavage are abo...

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Published in:The journal of physical chemistry letters 2015-04, Vol.6 (8), p.1430-1434
Main Authors: Dubecký, Matúš, Otyepková, Eva, Lazar, Petr, Karlický, František, Petr, Martin, Čépe, Klára, Banáš, Pavel, Zbořil, Radek, Otyepka, Michal
Format: Article
Language:English
Subjects:
Acetone - chemistry
Fluorine Compounds - chemistry
Graphite - chemistry
Sodium Hydroxide - chemistry
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Summary:Fluorographene (FG) is a two-dimensional graphene derivative with promising application potential; however, its reactivity is not understood. We have systematically explored its reactivity in vacuum and polar environments. The C–F bond dissociation energies for homo- and heterolytic cleavage are above 100 kcal/mol, but the barrier of SN2 substitution is significantly lower. For example, the experimentally determined activation barrier of the FG reaction with NaOH in acetone equals 14 ± 5 kcal/mol. The considerable reactivity of FG indicates that it is a viable precursor for the synthesis of graphene derivatives and cannot be regarded as a chemical counterpart of Teflon.
ISSN:1948-7185
1948-7185
DOI:10.1021/acs.jpclett.5b00565