Enhanced conductivity of reduced graphene oxide decorated with aluminium oxide nanoparticles by oxygen annealing
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Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing
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Hao Liu1, Kwang-Leong Choy, Martin Roe
1Faculty of Engineering, Energy and Sustainability Research Division, University of Nottingham, University Park, Nottingham, UK.
Nanoscale
|May 29, 2013
Abstract:
A process involving the filtration of graphene oxide (GO) dispersion through an alumina membrane, followed by oxygen annealing to synthesize alumina nanoparticles exclusively at the edges of holes or vacancies in the reduced graphene oxide (rGO) plane, is used to prepare paper-like composites with a 21% enhanced electrical conductivity. Moreover, the rGO/alumina nanocomposites have a smaller band gap and hydrophilic properties.
