Adukwu DE, Igba SD, Jubu PR, Ademola A. Simulation and Optimization of CdTe and CIGS Thin-Film Solar Cells with Dual ETLS (CdS, ZnO) Using SCAPS-1D: A Comparative Approach. NJP. 2026;35(4):101-117. doi:10.62292/njp.v35i4.2026.636