Abstract
CdO-ZnO thin films with volume ratio of (Cd: Zn) of (1: 0), (0.75: 0.25), (0.5: 0.5) and (0: 1) were prepared using the sol-gel spin coating method. The as-coated films were annealed at 550 °C for 1 h and their structural and optical properties investigated. From structural investigations, it was observed that ZnO phase is present in the composites. The crystallite size values decreased with increasing the Zn content, and the dislocation density increased from 0.77 to 0.988 (1015 lines/m 2). The optical properties were examined by a ultraviolet-Visible spectroscopy, which indicated that the optical transmission increases in the visible region, and the band gap is found to be blue shift from 2.26 to 3.24 eV with the increase of ZnO content.
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