Igbokwe, Ejikeme Ezo, Elizabeth Chinyere Nwaokorongwu, and Uchechi Patricia Okpechi -Kanayochukwu. 2026. “Critical Interface Defect Density Governing Thermodynamic Losses and Photovoltaic Performance in FASnI₃ Perovskite Solar Cells”. Nigerian Journal of Physics 35 (S): 252-66. https://doi.org/10.62292/njp.v35(s).2026.732.