Bi1 I3

Bismuth iodide (BiI₃) is an inorganic semiconductor compound belonging to the metal halide family, characterized by a layered crystal structure that influences its electronic and optical properties. This material is primarily investigated in research and emerging photovoltaic applications, particularly as a lead-free alternative for perovskite-inspired solar cells and scintillation detectors, where its reduced toxicity compared to lead-based halides makes it attractive for environmentally conscious device development. BiI₃ is notable for its potential in radiation detection and optoelectronic devices, though it remains largely in the research phase with ongoing optimization of stability and efficiency needed before widespread commercial adoption.