Abstract
Cuprous oxide (Cu2O) thin films were formed onto three different substrates such as indium tin oxide (ITO) coated glass, titanium oxide (TiO2) and n-Si substrates by sol-gel spin coating technique. It was found that the formation mechanism of Cu2O films onto different substrates lead to different microstructures. The films were characterized by field-emission scanning electron microscopy (FESEM). Based on the FESEM micrographs the grain shape of film prepared were different on ITO, TiO2 and n-Si substrate with 114 nm, 154 nm and 84 nm respectively. The results indicate that the choice of substrate strongly affect the film morphology, structural and optical properties. Keywords: Cu2O, thin films, ITO, sol-gel, microstructures
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