The important role of tetrahedral Ti4+ sites in the phase transformation and photocatalytic activity of TiO2 nanocomposites |
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| Authors: | Li Gonghu Dimitrijevic Nada M Chen Le Nichols Jamie M Rajh Tijana Gray Kimberly A |
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| Affiliation: | Institute for Catalysis in Energy Processes, Department of Civil and Environmental Engineering, Northwestern University, Evanston, Illinois 60208, USA. |
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| Abstract: | Highly photoactive, tetrahedral Ti4+ sites can be created, other than in zeolite cavities and on silica substrate, in mixed-phase TiO2 nanocomposites. The tetrahedral Ti4+ species was shown to be an intermediate formed during the thermally driven phase transformation from anatase to rutile. |
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