Abstract

A novel and facile synthesis route for the manufacture of transparent and uniform nanocrystalline(nc)-TiO2 thin films on indium–tin oxide (ITO)-coated glass substrates is reported, utilizingTiCl4 as the titania source and triblock copolymer as the uniform-structure-directing agentthrough evaporation-induced assembly (EIA). A systematic study of the effect of thecalcining temperature on the texture, morphology, and photo-induced hydrophilicity ofnc-TiO2 thin films is provided. X-ray diffraction, atomic force microscopy, transmissionelectron microscopy, and a contact angle meter were used to study thenc-TiO2 thin films obtained by calcination at different temperatures. Both the increase ofcalcination temperature and irradiation by UV light result in a pronounced decrease ofwater contact angle.

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