Hamdaoui, Mohamed, Lhoussayne Et-taya, Abdellah Benami, Malika Ouhadou, Abderrahman El Boukili, and Jaouad Fosh. 2025. “A 31% Efficient CIGS-Based Solar Cell Using Spiro Material As a Buffer Layer: Numerical Simulation”. East European Journal of Physics, no. 3 (September), 466-75. https://doi.org/10.26565/2312-4334-2025-3-51.