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SpringerOpen, Nanoscale Research Letters, 1(9), 2014

DOI: 10.1186/1556-276x-9-475

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Synthesis and characterization of electrically conductive polyethylene-supported graphene films

Journal article published in 2014 by Gianfranco Carotenuto, Sergio De Nicola, Giovanni Ausanio, Davide Massarotti ORCID, Luigi Nicolais, Giovanni Piero Pepe, Sergio De Nicola
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Abstract We describe a simple mechanical approach for low-density polyethylene film coating by multilayer graphene. The technique is based on the exfoliation of nanocrystalline graphite (few-layer graphene) by application of shear stress and allows to obtain thin graphene layers on the plastic substrate. We report on the temperature dependence of electrical resistance behaviors in films of different thickness. The experimental results suggest that the semiconducting behavior observed at low temperature can be described in the framework of the Efros-Shklovskii variable-range-hopping model. The obtained films exhibit good electrical conductivity and transparency in the visible spectral region. PACS 72.80.Vp; 78.67.Wj; 78.66.Qn; 85.40.Hp