FTIR Analysis and Characterizations of (SnO2:Ga2O3, CeO2 /Cu2S/c-pSi) Heterojunctions Solar Cells. Iraqi Journal of Science [Internet]. 2023 May 30 [cited 2024 May 8];64(5):2282-96. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7007