Title of article :
Effect of Lithium on Structural and Optical Properties of Nanostructured CuS Thin Films
Author/Authors :
Sami Ali, Reem Department of Physics - College of Science - Mustansiriyah University - Baghdad, Iraq , Al-Aaraji, Noor Al-Huda Department of Medical Physics - Al-Mustaqbal University College - Babylon, Iraq , Hadi, Esraa H Department of Physics - College of Education - Mustansiriyah University - Baghdad, Iraq , Haneen Abass, Khalid Department of Physics - College of Education - Mustansiriyah University - Baghdad, Iraq , Fadhil abubi, Nadir Department of Physics - College of Education - Mustansiriyah University - Baghdad, Iraq , Salman Chiad, Sami Department of Physics - College of Education - Mustansiriyah University - Baghdad, Iraq
Abstract :
In this study, the chemical bath deposition (CBD) strategy was applied
for preparation of pure and Lithium-doped copper sulfide (CuS) thin film
on glass. The CuCl2.2H2O, as a copper source and thiourea as a sulfur
source were used. The structural, topographical, and optical properties of
products were characterized via powder X-ray diffraction (XRD), atomic
force microscopy (AFM), and UV-Vis spectroscopy. Results showed that
the crystalline size is increased via Lithium doping, though the strain (%)
parameter decrease from 30.39 to 27.47. Obtained results revealed that
doing of lithium has a significant effect on the optical properties of prepared
CuS-based thin films. The optical properties of samples was investigated
through band gap calculation. The bands gap were calculated 2.4, 2.5, and
2.6 eV for CuS:3% Li, CuS:1% Li and pure CuS thin films respectively.
Based on attractive properties of prepared thin films, Lithium-doped CuS
thin film has potential application in optoelectronic fields.
Keywords :
AFM , Band gap , CuS , CBD , Roughness
Journal title :
Journal of NanoStructures
