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A superior visible light-driven photocatalyst: rare earth-loaded Bi2MoO6 catalysts

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Abstract

Bi2MoO6 catalysts with rare earth dopants have been successfully synthesized using the facile hydrothermal method. The morphologies, phase content, and optical absorption properties of these catalysts with rare earth dopants are measured via X-ray diffractometer (XRD), X-ray photoelectron spectrometer (XPS), Scanning electron microscope (SEM), and UV–vis diffuse reflectance spectra (UV-DRS) techniques. The internal relationship between these measurement properties have also been analyzed. Our results suggest that in the Nd and Sm-doping cases, one new phase Bi3.64Mo0.36O6.55 has been synthesized. The morphologies and microstructures of Bi2MoO6 system have also been changed correspondingly. The photocatalytic activities of these doped Bi2MoO6 samples are also evaluated via the photodegradation of RhB under visible light irradiation. The results indicate that, with rare earth doping, the photocatalytic activities of these Bi2MoO6 samples have been greatly improved. Moreover, the mechanism about the enhancement of photocatalytic activity has also been discussed.

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Acknowledgements

This work was financially supported by the National Science Foundation of China under Grant Nos. 11204001 and 51471001, Anhui Provincial Natural Science Foundation (1308085MA04), and the Higher Educational Natural Science Foundation of Anhui Province (KJ2013A031). This work was also supported by Anhui University Scientific Research Fund No. 201610357120, and Collaborative Innovation Research Center for Weak Signal Sensitive Materials and Devices Integration.

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Authors and Affiliations

  1. Anhui Key Laboratory of Information Materials and Devices, School of Physics and Materials Science, Anhui University, Hefei, 230039, China

    Jing Jing Mu, Gan Hong Zheng, Zhen Xiang Dai, Ling Yun Zhang, Zi Feng Yao & Yong Qing Ma

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  1. Jing Jing Mu
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  2. Gan Hong Zheng
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  3. Zhen Xiang Dai
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Correspondence to Gan Hong Zheng.

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Mu, J.J., Zheng, G.H., Dai, Z.X. et al. A superior visible light-driven photocatalyst: rare earth-loaded Bi2MoO6 catalysts. J Mater Sci: Mater Electron 28, 14747–14757 (2017). https://doi.org/10.1007/s10854-017-7343-2

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  • DOI: https://doi.org/10.1007/s10854-017-7343-2

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