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. IJPAP [Internet]. 2024 Sep. 3 [cited 2026 May 14];62(9):789-805. Available from: https://or.niscpr.res.in/index.php/IJPAP/article/view/11102