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Journal of Materials Science

, Volume 23, Issue 6, pp 2259–2266 | Cite as

Dip-coating of TiO2 films using a sol derived from Ti(O-i-Pr)4-diethanolamine-H2O-i-PrOH system

  • Yasutaka Takahashi
  • Yoshihiro Matsuoka
Article

Abstract

Diethanolamine (DEA) can suppress the precipitation of oxides from the alcoholic titanium isopropoxide solution in its hydrolysis so that much water can be added to the Ti(O-i-Pr)4-diethanolamine-i-propanol the solution to give a clear solution. Addition of excess water converted the solution to the gel. The conditions for the formation of the clear solution and gel are examined. Uniform transparent TiO2 films can be prepared by dip-coating with the clear solution. The limit of the thickness of uniform films was 200 to 240 nm. Films thicker than 1 μm can be prepared by repeating the coating cycle. These films were well densified. Diethanolamine has some positive effect on the densification of the TiO2 crystals.

Keywords

Oxide Polymer Precipitation TiO2 Titanium 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman and Hall Ltd. 1988

Authors and Affiliations

  • Yasutaka Takahashi
    • 1
  • Yoshihiro Matsuoka
    • 1
  1. 1.Department of Industrial ChemistryFaculty of Engineering, Gifu UniversityGifuJapan

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