A facile approach to synthesize rose-like ZnO/reduced graphene oxide composite: fluorescence and photocatalytic properties
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Rose-like ZnO/reduced graphene oxide composites are synthesized by a simple, scalable, and facile route without using any surfactants. The well-defined ZnO microstructure has a hexagonal hierarchical rose-like architecture, which is composed of densely packed uniform thin flakes. The N,N-dimethylformamide/water system employed here acts as an organic solvent as well as a reagent, and two competing reactions give rise to the formation of the hexagonal hierarchical rose-like ZnO architecture. Compared with bare ZnO, the rose-like ZnO/reduced graphene oxide composite displays the fluorescence quenching property. Finally, the as-prepared products possess considerable photocatalytic property under visible light for the degradation of methylene blue.
KeywordsGraphene Oxide Methylene Blue Photocatalytic Activity Graphene Sheet Graphite Oxide
The support of Sichuan Province through a Key Technologies Research and Development Program of Sichuan Province (2011 gz0110) is acknowledged.