Top down method for synthesis of highly conducting graphene by exfoliation of graphite oxide using focused solar radiation

Varrla Eswaraiah; Sasidharannair Sasikaladevi Jyothirmayee Aravind; Sundara Ramaprabhu

doi:10.1039/C1JM10808E

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Journal of Materials Chemistry

Issue 19, 2011

Journal of Materials Chemistry was published between 1991 and 2012. From issue 1, 2013, it was replaced by three new journals: Journal of Materials Chemistry A, B and C

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Top down method for synthesis of highly conducting graphene by exfoliation of graphite oxide using focused solar radiation

Varrla Eswaraiah,^a Sasidharannair Sasikaladevi Jyothirmayee Aravind^a and Sundara Ramaprabhu*^a

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Alternative Energy and Nanotechnology Laboratory (AENL), Nanofunctional Materials Technology Centre (NFMTC), Department of Physics, Indian Institute of Technology Madras, Chennai, India
E-mail: ramp@iitm.ac.in ;
Fax: +91-44-22570509 ;
Tel: +91-44-22574862

J. Mater. Chem., 2011,21, 6800-6803

DOI: 10.1039/C1JM10808E
Received 23 Feb 2011, Accepted 22 Mar 2011
First published online 06 Apr 2011

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Herein we report a rapid, chemical free and low temperature method for high throughput production of graphene by exfoliation of graphite oxide using focused solar radiation. The simple method of preparation, easy scalability, cost effectiveness and high electrical conductivity (1.5 × 10³ S m⁻¹) of solar graphene hold great promise for true practical applications.