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Large-scale Solution Processable Graphene-based Thin Film Devices

Published online by Cambridge University Press:  17 April 2012

Markus Pesonen ,
Himadri S. Majumdar ,
Jussi Kauppila ,
Jukka Lukkari  and
Ronald Österbacka
Markus Pesonen
Affiliation:
Center for Functional Materials, Physics, Department of Natural Sciences, Åbo Akademi University, Porthaninkatu 3, 20500 Turku, Finland
Himadri S. Majumdar
Affiliation:
Center for Functional Materials, Physics, Department of Natural Sciences, Åbo Akademi University, Porthaninkatu 3, 20500 Turku, Finland
Jussi Kauppila
Affiliation:
Department of Chemistry, University of Turku, Vatselankatu 2, 20014 Turku, Finland Graduate School of Materials Research
Jukka Lukkari
Affiliation:
Department of Chemistry, University of Turku, Vatselankatu 2, 20014 Turku, Finland
Ronald Österbacka
Affiliation:
Center for Functional Materials, Physics, Department of Natural Sciences, Åbo Akademi University, Porthaninkatu 3, 20500 Turku, Finland
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Abstract

The purpose of this work is to fabricate large-scale solution processable graphene-based films from graphene oxide (GO) solution and to characterize the transport properties of these films. The graphene like film is produced by annealing of the GO film to form reduced graphene oxide (rGO) thin films. The conductive rGO thin films are useable as spacer layers in spin valves and as organic electrodes. Atomic Force Microscope (AFM) characterizations on the film thickness and morphology have been carried out and simple electrical transport studies performed on spin coated rGO thin films. We have fabricated rGO thin films ranging from few to tens of nanometers in thickness with conductivities in the order of 1-100 S/m. We also show that the morphology of the films play an important role in facilitating higher conductivities for rGO thin films.

Keywords

thin filmmorphologyorganic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1407: Symposium AA – Carbon Nanotubes, Graphene and Related Nanostructures , 2012 , mrsf11-1407-aa20-25
Copyright
Copyright © Materials Research Society 2012

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References

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