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Issue 9, 2012
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One-pot synthesis of large scale graphene nanosheets from graphite–liquid crystal composite via thermal treatment

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Abstract

An easy and cost effective route for mass production of graphene nanosheets (GNSs) is an essential requirement for design of different sensors, conductive composites and future nanoelectronic devices. Scalable and large area GNSs were synthesized by a thermal treatment of a graphiteionic liquid crystal composite as a starting material. This composite was heated in a furnace with a flow of argon gas at 700 °C for 1 h. Intercalation of ionic liquid crystals between graphite layers, their decomposition and evolution of gases assist in exfoliation of graphite and separation of layers. The proposed method extends the scope for production of high-quality, high-yield, unoxidized and defects free GNSs for a wide range of applications. The ability to produce bulk GNSs from a graphitic precursor with an easy and relatively low-cost approach can propel us to real-world applications of GNSs.

Graphical abstract: One-pot synthesis of large scale graphene nanosheets from graphite–liquid crystal composite via thermal treatment

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Publication details

The article was received on 12 Aug 2011, accepted on 28 Nov 2011 and first published on 20 Jan 2012


Article type: Paper
DOI: 10.1039/C2JM13929D
Citation: J. Mater. Chem., 2012,22, 3825-3831
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    One-pot synthesis of large scale graphene nanosheets from graphite–liquid crystal composite via thermal treatment

    A. Safavi, M. Tohidi, F. A. Mahyari and H. Shahbaazi, J. Mater. Chem., 2012, 22, 3825
    DOI: 10.1039/C2JM13929D

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