HIGH-EFFICIENCY LEAD-FREE PEROVSKITE SOLAR CELLS: INSIGHTS FROM PARAMETER OPTIMIZATION IN RbGeI3 DEVICES VIA DEVICE SIMULATION. Kashf Journal of Multidisciplinary Research, [S. l.], v. 2, n. 09, p. 227–240, 2025. DOI: 10.71146/kjmr631. Disponível em: https://kjmr.com.pk/kjmr/article/view/631. Acesso em: 25 feb. 2026.