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https://hdl.handle.net/2440/75462
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Type: | Journal article |
Title: | Solvothermal synthesis and photoreactivity of anatase TiO₂ nanosheets with dominant {001} facets |
Other Titles: | Solvothermal synthesis and photoreactivity of anatase TiO(2) nanosheets with dominant {001} facets |
Author: | Yang, H. Liu, G. Qiao, S. Sun, C. Jin, Y. Smith, S. Zou, J. Cheng, H. Lu, G. |
Citation: | Journal of the American Chemical Society, 2009; 131(11):4078-4083 |
Publisher: | Amer Chemical Soc |
Issue Date: | 2009 |
ISSN: | 0002-7863 1520-5126 |
Statement of Responsibility: | Hua Gui Yang, Gang Liu, Shi Zhang Qiao, Cheng Hua Sun, Yong Gang Jin, Sean Campbell Smith, Jin Zou, Hui Ming Cheng, and Gao Qing (Max) Lu |
Abstract: | Owing to wide-ranging industrial applications and fundamental importance, tailored synthesis of well-faceted single crystals of anatase TiO(2) with high percentage of reactive facets has attracted much research interest. In this work, high-quality anatase TiO(2) single-crystal nanosheets mainly dominated by {001} facets have been prepared by using a water-2-propanol solvothermal synthetic route. The synergistic functions of 2-propanol and HF on the growth of anatase TiO(2) single-crystal nanosheets were studied by first-principle theoretical calculations, revealing that the addition of 2-propanol can strengthen the stabilization effect associated with fluorine adsorption over (001) surface and thus stimulate its preferred growth. By measuring the (*)OH species with terephthalic acid scavenger, the as-prepared anatase TiO(2) single-crystal nanosheets having 64% {001} facets show superior photoreactivity (more than 5 times), compared to P25 as a benchmarking material. |
Keywords: | Titanium Solvents Crystallization Temperature Nanostructures Photochemical Processes |
Rights: | © 2009 American Chemical Society |
DOI: | 10.1021/ja808790p |
Published version: | http://dx.doi.org/10.1021/ja808790p |
Appears in Collections: | Aurora harvest 4 Chemical Engineering publications |
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