A Simulation Study of Various ETL Layers to Design the High Performance Pb-Free perovskite (FASnI3) Solar Cell . Indian Journal of Pure & Applied Physics (IJPAP), [S. l.], v. 62, n. 11, p. 971–978, 2024. DOI: 10.56042/ijpap.v62i11.8697. Disponível em: https://or.niscpr.res.in/index.php/IJPAP/article/view/8697. Acesso em: 13 may. 2026.