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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
Statement of
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
Photochemical Processes
Rights: © 2009 American Chemical Society
DOI: 10.1021/ja808790p
Appears in Collections:Aurora harvest 4
Chemical Engineering publications

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