HIGH-EFFICIENCY LEAD-FREE PEROVSKITE SOLAR CELLS: INSIGHTS FROM PARAMETER OPTIMIZATION IN RbGeI3 DEVICES VIA DEVICE SIMULATION. Kashf J. Multidiscip. Res. [Internet]. 2025 Sep. 26 [cited 2026 Feb. 25];2(09):227-40. Available from: https://kjmr.com.pk/kjmr/article/view/631