Solvothermal synthesis of highly active Bi2WO6 visible photocatalyst |
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Authors: | Jian Zhu Jin-Guo Wang Zhen-Feng Bian Fen-Glei Cao He-Xing Li |
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Institution: | 1. Department of Chemistry, Shanghai Normal University, Shanghai, 200234, People’s Republic of China
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Abstract: | Uniform Bi2WO6 spheres with high visible light activity were prepared via a solvothermal route. A variety of techniques including transmission electron micrographs (TEM), X-ray powder diffraction (XRD), N2 adsorption, FT-IR spectra, and UV–Vis spectra were employed to characterize the structure of the Bi2WO6 materials so obtained. The results show that the sphere-like Bi2WO6 samples were successfully prepared. And, under the photocatalytic degradation of Rhodamine B, the samples demonstrated high activity, three times higher than that of a sample from the solid-state method. Moreover, the uniform structure made the sample easy to separate from the reaction solution, providing an intrinsic advantage to the normal Bi2WO6 samples. |
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