A study of the electrical properties of graphene-incorporated direct-patternable ZnO thin films

A direct-patternable ZnO thin film was prepared by photochemical solution deposition and the electrical properties were improved by the incorporation of graphene. The transmittance of graphene-incorporated ZnO thin films was similar to that of ZnO thin film due to the incorporation of graphene, whic...

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Veröffentlicht in:Thin solid films 2013-02, Vol.529, p.234-237
Hauptverfasser: Kim, Hyuncheol, Baek, Jong Tae, Park, Hyung-Ho
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Park, Hyung-Ho
description A direct-patternable ZnO thin film was prepared by photochemical solution deposition and the electrical properties were improved by the incorporation of graphene. The transmittance of graphene-incorporated ZnO thin films was similar to that of ZnO thin film due to the incorporation of graphene, which slightly decreased the crystallinity of the ZnO thin films. In addition, the resistivity was improved due to the enhanced mobility due to the π-bond nature of the graphene surface. Graphene-incorporated ZnO thin film was direct-patterned through photochemical solution deposition without a photoresist or conventional dry etching process. These results suggest that a micro-patterned system can be simply fabricated at low cost, and the electrical properties of ZnO thin films can be improved by incorporating graphene. ► Transparent ZnO thin film ► π-bond on surface of graphene has higher electrical mobility. ► Graphene incorporation was not affected to crystallinity and transmittance. ► Electrical conductivity was enhanced by graphene incorporation.
doi_str_mv 10.1016/j.tsf.2012.09.034
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subjects Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Crystallinity
Deposition
Direct-patterning
Electrical properties
Electrical property
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Electronic transport phenomena in thin films and low-dimensional structures
Exact sciences and technology
Fullerenes and related materials
diamonds, graphite
Graphene
Growth from solutions
Materials science
Methods of crystal growth
physics of crystal growth
Photochemical
Physics
Specific materials
Structure and morphology
thickness
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
Thin film structure and morphology
Thin films
Transmittance
Zinc oxide
ZnO thin films
title A study of the electrical properties of graphene-incorporated direct-patternable ZnO thin films
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