Lead-Free Halide Perovskites KSiI3 and RbSiI3: First-Principles Insights into Structural Stability, Optoelectronic Properties, and Photocatalytic Water-Splitting Potential. - Et-Taleb, A.; Samih, A.; Naimi, Salma; Merzouk, I.; Salmani, E.; Fadil, Z.; Amina, Musarat; Ali, Mohammad Ajmal; Raorane, Chaitany Jayprakash (Journal of Superconductivity & Novel Magnetism, 2026)