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Hydrothermal Synthesis and Visible-Light-Driven Photocatalytic Activities of Bi2WO6 Uniform Hierarchical Microspheres

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Abstract:

The microsphere Bi2WO6 has been synthesized by a facile hydrothermal method by using Bi (NO3)35H2O, H40N10O41W125H2O and CO(NH2)2(urea) as the starting materials. The as-synthesized Bi2WO6 was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM),BET and UV-vis absorption spectroscopy. The visible-light-responsive photocatalytic activity of Bi2WO6 microspheres was evaluated by the photo-degradation of RhB under Xe lamp irradiation. The degradation is up to 96% in 3h. The results show that microsphere Bi2WO6 exhibited excellent photocatalytic activity. The reasons for the high photocatalytic activity have been discussed carefully.

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Periodical:

Advanced Materials Research (Volumes 887-888)

Pages:

181-184

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.887-888.181

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Online since:

February 2014

Authors:

Yan Lan*, Xiong Wang

Keywords:

Bi2WO6 Microspheres, Hydrothermal, Photocatalytic

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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