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Novel synthesis route to graphene using iron nanoparticles

Published online by Cambridge University Press:  22 July 2014

Rajen B. Patel*
Affiliation:
Department of Materials Science and Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, USA
Chi Yu
Affiliation:
Department of Materials Science and Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, USA
Tsengming Chou
Affiliation:
Department of Chemical Engineering and Materials Science, Laboratory for Multiscale Imaging, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA
Zafar Iqbal
Affiliation:
Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, New Jersey 07102, USA
*
a)Address all correspondence to this author. e-mail: RajenBP@gmail.com
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Abstract

Graphene is currently one of the most extensively studied materials because it displays a number of unique structural and electronic properties. A variety of methods are currently available for the growth of graphene; however, few are viable for large scale, cost-effective production of high quality graphene. Here, a novel growth process for few layer graphene using chemical vapor deposition (CVD) and a commercial iron nanopowder catalyst is described. This method is readily scalable so it can be used to produce a large volume of graphene sheets. Graphene sheets made from this process were characterized by Raman spectroscopy, and scanning and transmission electron microscopy. Raman spectroscopy shows that the product consists of few layer graphene sheets. This is the first reported method of utilizing nanoparticles to synthesize graphene by a CVD process, which typically produces multiwalled carbon nanotubes. A possible mechanism for the formation of graphene by this modified CVD process is discussed.

Type
Articles
Copyright
Copyright © Materials Research Society 2014 

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References

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