Abstract
Nanosphere assembled mesoporous TiO2 products with large specific surface area and high crystallinity were prepared by a combined hydrothermal and post-heating process, where absorbent cotton was used as a template. The as-synthesized samples were characterized using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, N2 adsorption/desorption, Fourier transform infrared spectroscopy, and UV–Vis diffuse reflectance spectroscopy. Results indicate that the obtained products exhibit a unique 3D mesoporous structure and demonstrate a significantly improved photocatalytic performance, which can be attributed to concurrent effects of high surface area, the presence of accessible mesopores channels and high crystallinity.
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Acknowledgements
This study was supported by the Major Program of the National Natural Science Foundation of China (no. 90923012) and the Fundamental Research Funds for the Central Universities.
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He, Z., Que, W., He, Y. et al. Nanosphere assembled mesoporous titanium dioxide with advanced photocatalystic activity using absorbent cotton as template. J Mater Sci 47, 7210–7216 (2012). https://doi.org/10.1007/s10853-012-6667-9
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DOI: https://doi.org/10.1007/s10853-012-6667-9