Investigating Effect of Various ETL and HTL on the Solar Cell Parameters of CsSn0.5 Ge0.5I3 based lead Free PSC to Obtain Optimized PCE. Indian Journal of Pure & Applied Physics (IJPAP), [S. l.], v. 62, n. 9, p. 789–805, 2024. DOI: 10.56042/ijpap.v62i9.11102. Disponível em: https://or.niscpr.res.in/index.php/IJPAP/article/view/11102. Acesso em: 14 may. 2026.