Adebayo, S.; Bamidele, A. A.; Awodele, M. K.; Awodugba, A. O. First-Principles Investigation of Structural Stability and Optoelectronic Properties of Lead-Free CsSnₓGe₁₋ₓI₃ Mixed-Halide Perovskites for Advanced Optoelectronic Applications. njap 2026, 2 (2), 160-168. https://doi.org/10.62292/njap-v2i2-2026-48.