ISSN 0862-5468 (Print), ISSN 1804-5847 (online) 

Ceramics-Silikáty 47, (1) 28 - 31 (2003)


PREPARATION OF TiO₂ SOL-GEL LAYERS ON GLASS
 
Rodriguez-Paez Liliana, Matoušek Josef
 
Department of Glass and Ceramics, Institute of Chemical Technology Prague Technická 5, 16628 Prague, Czech Republic

Keywords: Sol-gel process, Titanium dioxide, Coatings on glass
 

TiO₂ thin films have been deposited onto glass substrates by sol-gel process using dip coating method. The coating solution was prepared by using tetra-n-butylorthotitanate precursor. The thermal transformation behaviour of the fresh xerogel was followed by thermal analysis and powder X-ray diffraction .The gels annealed at temperatures up to 350°C were examined by XRD and found to be amorphous. The diffraction peaks of anatase were found in gels annealed at 350°C or higher temperatures. The successive dense and homogenous films were optically characterized using UV-spectrophotometry. It was observed that the films were transparent in visible region and showed characteristic absorption in UV region.


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