“OPTIMIZING LEAD-FREE CsGeI3 PEROVSKITE SOLAR CELLS: SCAPS-1D SIMULATION ACHIEVING 27.34% EFFICIENCY THROUGH LAYER THICKNESS AND BAND ALIGNMENT TUNING”. Kashf Journal of Multidisciplinary Research 2, no. 09 (September 26, 2025): 241–251. Accessed December 15, 2025. https://kjmr.com.pk/kjmr/article/view/632.