Journal of Sol-Gel Science and Technology

, Volume 17, Issue 3, pp 227–238 | Cite as

Development of New Modifiers for Titanium Alkoxide-Based Sol-Gel Process

  • Yasutaka Takahashi
  • Ayako Ohsugi
  • Takeshi Arafuka
  • Tomokazu Ohya
  • Takayuki Ban
  • Yutaka Ohya


The effects of several hydroxyketones such as acetol, actoin, γ-ketobutanol themselves and their combinations with monoethanolamine (MEA) or ethylenediamine (ED) on the stabilization of titanium tetraisopropoxide (TTIP) in isopropanol solution are examined. Acetoin itself and the imine derivatives of acetol and acetoin were found to show extraordinarily strong stabilizing effect for the alkoxide. The properties including the crystal modifications and refractive index of TiO2 films that were dip-coated using each stabilized solution are examined and discussed in comparison with those of the films obtained from the diethanolamine (DEA) systems. The effect of UV-light irradiation to the gel films on the crystallization of TiO2 is also examined and discussed.

α-hydroxyketones and their imine dirivatives sol-gel modifier chemistry for titanium alkoxide titanium oxide films photoirradiation effect 


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Copyright information

© Kluwer Academic Publishers 2000

Authors and Affiliations

  • Yasutaka Takahashi
    • 1
  • Ayako Ohsugi
    • 1
  • Takeshi Arafuka
    • 1
  • Tomokazu Ohya
    • 1
  • Takayuki Ban
    • 1
  • Yutaka Ohya
    • 1
  1. 1.Department of Chemistry, Faculty of EngineeringGifu UniversityGifuJapan

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