Graphene Fluoride: A Stable Stoichiometric Graphene Derivative and its Chemical Conversion to Graphene

Stoichoimetric graphene fluoride monolayers are obtained in a single step by the liquid-phase exfoliation of graphite fluoride with sulfolane. Comparative quantum-mechanical calculations reveal that graphene fluoride is the most thermodynamically stable of five studied hypothetical graphene derivati...

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Detalles Bibliográficos
Autores principales: Zbořil, Radek, Karlický, František, Bourlinos, Athanasios B, Steriotis, Theodore A, Stubos, Athanasios K, Georgakilas, Vasilios, Šafářová, Klára, Jančík, Dalibor, Trapalis, Christos, Otyepka, Michal
Formato: Texto
Lenguaje:English
Publicado: WILEY-VCH Verlag 2010
Materias:
Full Paper
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3020323/
https://www.ncbi.nlm.nih.gov/pubmed/21104801
http://dx.doi.org/10.1002/smll.201001401
Descripción
Sumario:Stoichoimetric graphene fluoride monolayers are obtained in a single step by the liquid-phase exfoliation of graphite fluoride with sulfolane. Comparative quantum-mechanical calculations reveal that graphene fluoride is the most thermodynamically stable of five studied hypothetical graphene derivatives; graphane, graphene fluoride, bromide, chloride, and iodide. The graphene fluoride is transformed into graphene via graphene iodide, a spontaneously decomposing intermediate. The calculated bandgaps of graphene halides vary from zero for graphene bromide to 3.1 eV for graphene fluoride. It is possible to design the electronic properties of such two-dimensional crystals.

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