Abstract
TiO2-based single-doped and codoped samples were synthesized by using the simple hydrothermal method by employing titanium sulfate as titania, cerium nitrate hexahydrate as cerium, and glucose as carbon precursors. Photocatalytic activities of the prepared catalysts were estimated by the degradation of acid orange 7 under visible light irradiation. Various analytical techniques were undertaken for the characterization of the catalysts such as X-ray diffraction, UV–Vis diffuse reflectance spectroscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, photoluminescence spectroscopy, Fourier transformation infrared spectroscopy, etc. The photocatalytic activities of the prepared codoped samples were significantly increased as compared to the single-doped TiO2 due to a number of factors, such as decrease of the crystal size and increase of the surface area and surface hydroxyl groups, along with the decrease of the recombination of electrons and holes, etc., due to the synergistic effect of Ce and C codoping in TiO2.
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Acknowledgments
This study has been supported by the National Nature Science Foundation of China (21173077, and 21237003), the National Basic Research Program of China (973 Program, 2010CB732306, 2013CB632403), the Project of International Cooperation of the Ministry of Science and Technology of China (No. 2011DFA50530), Science and Technology Commission of Shanghai Municipality (12230705000, 12XD1402200), the Research Fund for the Doctoral Program of Higher Education (20120074130001) and the Fundamental Research Funds for the Central Universities.
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Nasir, M., Zhang, J., Chen, F. et al. Detailed study of Ce and C codoping on the visible light response of titanium dioxide. Res Chem Intermed 41, 1607–1624 (2015). https://doi.org/10.1007/s11164-013-1297-7
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DOI: https://doi.org/10.1007/s11164-013-1297-7