Chem. Sci., 2025, Accepted Manuscript DOI: 10.1039/D5SC06511A, Edge Article Junsang Cho, Seonhong Min, Manish Mukherjee, Gabor Gabor Szabo, Prashant V Kamat Suppression of photoinduced halide segregation in mixed halide perovskites remains a significant challenge for their application as wide bandgap semiconductors in solar cells. In addition to stability issues, halide segregation...