Theoretical investigations on the electronic and optical properties of Na-doped CH3NH3PbI3 perovskiteLhouceine Moulaoui, Abdelhafid Najim, Abdelmounaim Laassouli, Marouane Archi, Anass Bakour, Youssef Lachtioui, Khalid Rahmani, Omar Bajjou and Bouzid ManautE3S Web of Conf., 469 (2023) 00086DOI: https://doi.org/10.1051/e3sconf/202346900086