TiO2 pure phase brookite with preferred orientation,synthesized as a spin-coated film |
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| Affiliation: | 1. Institute of General and Inorganic Chemistry-Bulgarian Academy of Sciences (IGIC-BAS) str. Acad. G. Bontchev, bl.11, Sofia 1113, Bulgaria;2. Laboratoire d''Ingénierie des Matériaux et des Hautes Pressions-LIMHP (CNRS) 99, Av. J. B. Clément, 93430 Villetaneuse, France;1. Department of Materials Science, Faculty of Engineering, Kyushu Institute of Technology, 1-1 Sensuicho, Tobata, Kitakyushu 804-8550, Japan;2. JST, PRESTO, 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan;3. JST, ACT-C, 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan;1. Laboratory for Environmental Sciences and Engineering, National Institute of Chemistry, Hajdrihova 19, SI-1001 Ljubljana, Slovenia;2. Laboratory for Materials Chemistry, National Institute of Chemistry, Hajdrihova 19, SI-1001 Ljubljana, Slovenia;3. Laboratory for Biomolecular Structure, National Institute of Chemistry, Hajdrihova 19, SI-1001 Ljubljana, Slovenia;1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China;2. College of Science, Civil Aviation University of China, Tianjin 300300, PR China;3. School of Science, Tibet University, Lhasa 850000, PR China;1. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan;2. Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan;3. Elements Strategy Initiative for Catalysts & Batteries (ESICB), Kyoto University, Kyotodaigaku Katsura, Nishikyo-ku, Kyoto 615-8520, Japan;4. Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Honcho Kawaguchi, Saitama 332-0012, Japan;5. Department of Applied Chemistry, Tokyo Metropolitan University, Minami-Osawa, Hachioji, Tokyo 192-0397, Japan |
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| Abstract: | An oriented titania (brookite) film containing neither anatase nor rutile was synthesized by a new modified sol–gel method. The precursor was TiCl4 with cellulose and oxalic acid as complexing agent. The XRD results show oriented pure brookite titania thin film. The SEM micrograph shows square particles on the crack free continuous film. A diffusion of sodium from the substrate was detected by XPS. It was found that the nature of complexation, the concentration of the precursors, the polymer additive, solution media (low pH, solvent-EG) and the substrate were significant of the oriented brookite TiO2 films obtained. |
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