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Study the effect of Mn-doped CuO thin film on its optical properties

Khudheir AbassMishjil, KameranQader, Wasmaa Abdulsattar Jabbar, ZiadAbdulahadToma

The sprayed pyrolysis technique was carried out to prepare CuO thin films with different Mn-doping. Optical properties were calculated by recording the absorption spectra by UV-Visible spectrophotometer. The absorbance and absorption coefficient are increased with increasing Mn-doping in the CuO thin films. While the energy gap decreased from 2 eV before doping to 1.91 eV after 4% Mn-doping. In addition, extinction coefficient, and skin depth are decreased with increasing Mn-dopingin the CuO thin films.