Abstract
A novel Au@TNT catalyst, with gold nano-particles (NPs) entrapped in TiO2 nanotube (TNT), was prepared by a vacuum assisted-impregnation route. For the photocatalytic water splitting under visible light, the Au@TNT catalyst presented 2 times higher activity than the Au/TNT with most part of gold NPs on the outer surface of TNT. The enhanced activity can be ascribed to the confinement of TNT which can effectively decreases the particle size and modulates the electronic state of gold catalyst.
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Acknowledgments
This work was supported by the National Scientific Foundation of China (Project Nos. 21303210 and 51172233), Key Laboratory of Water and Air Pollution Control of Guangdong Province, China (2011A060901002), and the Fundamental Research Funds for the Central Universities, SCUT.
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Yang, X., Wu, L., Du, L. et al. Photocatalytic Water Splitting Towards Hydrogen Production on Gold Nanoparticles (NPs) Entrapped in TiO2 Nanotubes. Catal Lett 145, 1771–1777 (2015). https://doi.org/10.1007/s10562-015-1568-6
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DOI: https://doi.org/10.1007/s10562-015-1568-6