Fabricating TiO2 Coated ZnO Nanowire Array/Graphene Heterostructure

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Abstract:

ZnO nanowire array supported on the graphene surface was fabricated by thermo hydrolysis method. The ZnO nanoparticles (seed crystals) were first deposited on GO surface and then ZnO nanoparticles grew to ZnO nanowire array when the seed crystal side was hung upside down and touched with ZnO precursor solution during the process of thermo hydrolysis. The ZnO nanowire array was then coated with TiO2 precursor, hydrolyzed and turned to crystalline TiO2. The formed ZnO/TiO2/graphene composites have different structure depending on the reaction conditions and their morphology was observed with scanning electron microscopy.

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Advanced Materials Research (Volumes 430-432)

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45-48

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January 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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