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Sol-Gel Processed Photocatalytic Titania Films

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Handbook of Sol-Gel Science and Technology

Abstract

Industrialization of products with photocatalytic coatings began around the middle of the 1990s, mainly focusing on self-cleaning or sterilization coatings prepared with titanium alkoxide or TiO2 nanoparticles. The concept is that the transparent TiO2 surface is endowed with photocatalytic oxidation power, which decomposes organic stains and bacteria. This chapter describes the materials and processes that make up the key technologies involved in photocatalytic coatings. The basic principles of photocatalytic self-cleaning coatings are explained in detail, including descriptions of photocatalytic decomposition of surface stains or bacteria and photoinduced hydrophilic conversion. In addition, we review the preparation of nanostructured TiO2 materials processed by the sol–gel method, coatings prepared by sintering nanoparticles, titania sol-gel coatings and composites, and dopant additions. The main applications of these photocatalytic products are photocatalytic paints, molded products, membrane and film materials, and glass and mirror products.

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Authors and Affiliations

  1. Department of Applied Chemistry, School of Advanced Engineering, Kogakuin University, 2665-1 Nakano, Hachioji City, Tokyo, 192-0015, Japan

    Naoya Yoshida

  2. Policy Alternatives Research Institute, The University of Tokyo, Tokyo, Japan

    Toshiya Watanabe

Authors
  1. Naoya Yoshida
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  2. Toshiya Watanabe
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Correspondence to Naoya Yoshida .

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Editors and Affiliations

  1. Rutgers University, Piscataway, New Jersey, USA

    Lisa Klein

  2. Madrid, Spain

    Mario Aparicio

  3. City University of New York, New York, USA

    Andrei Jitianu

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Yoshida, N., Watanabe, T. (2016). Sol-Gel Processed Photocatalytic Titania Films. In: Klein, L., Aparicio, M., Jitianu, A. (eds) Handbook of Sol-Gel Science and Technology. Springer, Cham. https://doi.org/10.1007/978-3-319-19454-7_68-1

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  • DOI: https://doi.org/10.1007/978-3-319-19454-7_68-1

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  • Online ISBN: 978-3-319-19454-7

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