Tunneling conduction in graphene/(poly)vinyl alcohol composite

Mitra, Sreemanta ; Banerjee, Sourish ; Chakravorty, Dipankar (2013) Tunneling conduction in graphene/(poly)vinyl alcohol composite Journal of Applied Physics, 113 (15). 154314_1-154314_6. ISSN 0021-8979

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Official URL: http://jap.aip.org/resource/1/japiau/v113/i15/p154...

Related URL: http://dx.doi.org/10.1063/1.4802664

Abstract

Graphene/(Poly)vinyl alcohol (PVA) composite film with thickness 60 μm was synthesized by solidification of a PVA solution comprising of dispersed graphene nanosheets. The close proximity of the graphene sheets enables the fluctuation induced tunneling of electrons to occur from one sheet to another. The dielectric data show that the present system can be simulated to a parallel resistance-capacitor network. The high frequency exponent of the frequency variation of the ac conductivity indicates that the charge carriers move in a two-dimensional space. The sample preparation technique will be helpful for synthesizing flexible conductors.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
ID Code:97700
Deposited On:03 Jun 2013 07:10
Last Modified:03 Jun 2013 07:10

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