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Hydrothermal synthesis of TiO2 nano-particles using novel water-soluble titanium complexes

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Abstract

Hydrothermal treatment of a series of water-soluble titanium complexes resulted in the formation of TiO2. Rutile, anatase or a mixture of both can be synthesized by varying the ligands. The titania obtained was composed of nano-sized particles with large specific surface areas. These TiO2 powders exhibited high photocatalytic activity for NO x decomposition. In particular, they demonstrated higher activity than P25 (Degussa) under visible-light irradiation.

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Acknowledgements

We are grateful for support via a CREST/JST grant. Part of this work was also supported by a Grant in Aid for Science Research (No. 18206069) from the Ministry of Education, Culture, Sports, Science and Technology of Japan.

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Authors and Affiliations

  1. Department of Chemistry, School of Science, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa, 259-1292, Japan

    Koji Tomita

  2. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi, 980-8577, Japan

    Koji Tomita, Makoto Kobayashi, Valery Petrykin, Shu Yin, Tsugio Sato & Masato Kakihana

  3. Materials and Structures Laboratory, Center for Materials Design, Tokyo Institute of Technology, 4529 Nagatsuta, Midori-ku, Yokohama, Kanagawa, 226-8503, Japan

    Masahiro Yoshimura

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  1. Koji Tomita
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  2. Makoto Kobayashi
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  3. Valery Petrykin
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  4. Shu Yin
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  5. Tsugio Sato
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  6. Masahiro Yoshimura
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  7. Masato Kakihana
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Correspondence to Masato Kakihana.

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Tomita, K., Kobayashi, M., Petrykin, V. et al. Hydrothermal synthesis of TiO2 nano-particles using novel water-soluble titanium complexes. J Mater Sci 43, 2217–2221 (2008). https://doi.org/10.1007/s10853-007-2113-9

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  • DOI: https://doi.org/10.1007/s10853-007-2113-9

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