Properties of Sol-Gel Derived TiO2 Thin Films Prepared with Different Dip-Coating Layers
Keywords:sol-gel; thin films; heat-treatment; electrochemical properties; dip-coating.
Titanium dioxide (TiO2) thin films have been prepared on indium doped tin oxide (ITO) glass by sol-gel dip-coating method. Structural, electrochemical and optical properties of the films were studied as a function of dip-coating layers. Films prepared with more coated layers showed better catalyst coverage and more intense crystalline phase. The increases of films thickness promoted the photocurrent and suppressed the dark current. Films transmission was found to decrease with number of dip-coated layers.
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