SYNTHESIS AND CHARACTERIZATION OF COPPER OXIDE THIN FILMS USING SIMPLIFIED SPRAY PYROLYSIS TECHNIQUE

Abstract

By using simplified spray pyrolysis technique CuO thin films have been fabricated at different substrate temperatures with 300, 350 and 400 ˚C at 0.05M. The structural, morphological and optical properties of the fabricated films were investigated. The structural analysis by using X-ray diffraction (XRD) shows that all the samples are polycrystalline with monoclinic crystal structure. Under the characterization by UV-Visible-NIR spectrophotometer the optical properties of the films were studied, which depicts that the films show high transmittance in the visible region. When the substrate temperature increases from 300 to 400˚C gradually optical band gap decreases.