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Issue 46, 2011
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Synthesis and properties of monolayer graphene oxyfluoride

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Abstract

Covalent bond-forming reactions can be used to tailor the properties of graphene, aiming at electronic band structure engineering and surface functionalization. We present a novel and easy method for the production of chemically modified monolayer graphene based on the electrochemical intercalation of graphite, that could be used for adding various functional groups to the graphene lattice. Oxy-fluorinated graphene layers have been produced and fully characterized in terms of their chemical composition and functionalization. Moreover, Raman spectroscopy allows ready discrimination between monolayers and few-layers, and field-effect devices have been fabricated in order to study the transport properties of monolayer graphene oxyfluoride. Interesting conduction mechanisms such as two dimensional Mott variable range hopping and colossal negative magneto-resistance are observed, making this novel material suitable for both fundamental research and graphene-based applications.

Graphical abstract: Synthesis and properties of monolayer graphene oxyfluoride

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Publication details

The article was received on 03 Aug 2011, accepted on 30 Sep 2011 and first published on 28 Oct 2011


Article type: Paper
DOI: 10.1039/C1JM13729H
J. Mater. Chem., 2011,21, 18730-18737

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    Synthesis and properties of monolayer graphene oxyfluoride

    M. Bruna, B. Massessi, C. Cassiago, A. Battiato, E. Vittone, G. Speranza and S. Borini, J. Mater. Chem., 2011, 21, 18730
    DOI: 10.1039/C1JM13729H

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