Issue 9, 2012
From the journal:

Journal of Materials Chemistry

One-pot synthesis of large scale graphenenanosheets from graphite–liquid crystal composite via thermal treatment†

Afsaneh Safavi,*a   Maryam Tohidi,a   Farzaneh Aghakhani Mahyaria  and  Hamidreza Shahbaazi‡a  

* Corresponding authors

a Department of Chemistry, College of Sciences, Shiraz University, Shiraz, Iran
E-mail: safavi@chem.susc.ac.ir
Fax: +98-711-2286008
Tel: +98-711-6137351

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 graphite–ionic 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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Article information

DOI
https://doi.org/10.1039/C2JM13929D
Article type
Paper
Submitted
12 Aug 2011
Accepted
28 Nov 2011
First published
20 Jan 2012

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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