Abstract
Three forms of TiO2, commercial TiO2 powder, hydrogen titanate nanotubes obtained by hydrothermal treatment, and the thermally stable TiO2 nanotubes prepared by treating hydrogen titanate nanotubes with a sol containing titanium, were used as supports, and Pt nanoparticles were deposited on the supports via the photodeposition method. The catalytic performances of as-prepared and calcined Pt/TiO2 catalysts for the hydrogenation reaction of cyclohexene were evaluated. The results showed that the effects of the support and calcination temperature on the catalytic performances of Pt/TiO2 catalysts were obvious and significant. The thermally stable nanotubular TiO2-supported Pt catalyst exhibited better catalytic performance than the other TiO2-supported Pt catalysts. In addition, it was discovered that the calcination can enhance the catalytic activity of Pt/TiO2 for hydrogenation greatly.
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Acknowledgments
This work is supported by the National Natural Science Foundation of China (21071086), Asian Research Center at Nankai University, the Specialized Research Fund for the Doctoral Program of Higher Education (200800551036), and Fundamental Research Funds for the Central Universities (Nankai University 65010031).
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An, H., Hu, P., Hu, X. et al. Characterization of Pt catalysts supported by three forms of TiO2 and their catalytic activities for hydrogenation. Reac Kinet Mech Cat 108, 117–126 (2013). https://doi.org/10.1007/s11144-012-0480-y
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DOI: https://doi.org/10.1007/s11144-012-0480-y