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Preparation of Mn-doped ZrO2/TiO2 photocatalysts for efficient degradation of Rhodamine B

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Abstract

The Mn-doped ZrO2/TiO2 nanostructured photocatalysts had been prepared by the simple hydrothermal method. The morphologies and structures of the as-prepared photo-catalyst were characterized by transmission electron microscopy, x-ray diffraction, x-ray photoelectron spectroscopy, and electron paramagnetic resonance. The resultant nanostructured photocatalysts exhibited high photocatalytic activity under ultraviolet (UV) light irradiation, attributing to the improvement of the photo-absorption property and the separation efficiency of photo-generated electrons and holes. The hydroxyl radicals (•OH), superoxide radical (•O-2), and holes (h+) are the main active species in aqueous solution under UV light irradiation.

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Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (51373155, 51133006) and “521 Talents Training Plan” in Zhejiang Sci-Tech University (ZSTU). H. C. thanks the Cultivation Fund Program for Excellent Dissertation in Zhejiang Sci-Tech University (2014XSKY25).

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Correspondence to Guohua Jiang.

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For supplementary material for this article, please visit http://dx.doi.org/10.1557/mrc.2015.59

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Chen, H., Jiang, G., Jiang, T. et al. Preparation of Mn-doped ZrO2/TiO2 photocatalysts for efficient degradation of Rhodamine B. MRS Communications 5, 525–531 (2015). https://doi.org/10.1557/mrc.2015.59

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