Abstract
A TiO 2–V 2O 5 colloidal solution was obtained with a stability of more than 2 years. Xerogels, dried at 80 °C and treated at 300 and 560 °C, were investigated by Fourier transform infrared spectroscopy (FTIR). Powder X-ray diffraction (XRD) measurements showed that the sample treated at 300 °C is amorphous, and crystallization began after 450 °C. Vanadium-doped titanium dioxide thin films were prepared by using sol–gel dipping technique. Highly transparent TiO 2–V 2O 5 coatings were formed on quartz substrates. The optical properties of the sol–gel mixed thin films were characterized as a function of the annealing temperatures from 200 to 650 °C.
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