Abstract
"Zinc oxide nanorods (ZnO NRs.) film prepared by hydrothermal method and zinc oxide film chemically coated with a trinary semiconductor (CdZnS) thin layer was investigated in this work. Optical properties include transmission, absorption spectra and energy band gaps have been tested for prepared thin films. it was observed that the absorption edge of the films after coating shifted towards higher wavelengths. Also there is a remarkable reduction in energy gap for ZnO/CdZnS film with compare to ZnO NRs. Film. The energy gap of ZnO NRs was 3.2 eV and 2.5 eV for ZnO/CdZnS film. "
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