Effects of architectures and H2O2 additions on the photocatalytic performance of hierarchical Cu2O nanostructures

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Abstract

© 2015, Deng et al.; licensee Springer. Cu 2 O hierarchical nanostructures with different morphologies were successfully synthesized by a solvothermal method using copper (II) nitrate trihydrate (Cu(NO 3 ) 2 ⋅3H 2 O) and ethylene glycol (EG) as initial reagents. The obtained nanostructures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) specific surface area test, and UV-vis spectroscopy. The synthesis conditions (copper source, temperature, and reaction time) dominated the compositions and the formation of crystals with different morphologies. The visible light photocatalytic properties of as-prepared Cu 2 O nanostructures were investigated with and without hydrogen peroxide (H 2 O 2 ), and the effect of H 2 O 2 were evaluated by monitoring the degradation of methyl orange (MO) with various amounts of H 2 O 2 . It was revealed that the degree of the photodegradation of MO depends on the amount of H 2 O 2 and the morphology of Cu 2 O.

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Deng, X., Zhang, Q., Zhao, Q., Ma, L., Ding, M., & Xu, X. (2015). Effects of architectures and H2O2 additions on the photocatalytic performance of hierarchical Cu2O nanostructures. Nanoscale Research Letters, 10(1). https://doi.org/10.1186/s11671-014-0726-x

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