“First-Principles Investigation of the Electronic and Optical Properties of Cs-Doped FAPbI3 Halide Perovskite Solar Cell”. Journal of Innovative Research 3, no. 2 (May 19, 2025): 55–63. Accessed June 19, 2026. https://e-pallipublishers.com/index.php/jir/article/view/4468.