Electronic and Optical Properties of Cl-doped CH3NH3SnI3 Perovskite: A DFT Study Abdelmounaim Laassouli, Lhouceine Moulaoui, Abdelhafid Najim, Marouane Archi, Mohamed Karouchi, Khalid Rahmani, Youssef Lachtioui and Omar Bajjou E3S Web Conf., 601 (2025) 00013 Published online: 16 January 2025 DOI: 10.1051/e3sconf/202560100013