As8 Se16 Rb8

As₈Se₁₆Rb₈ is a mixed-halide semiconductor compound combining arsenic, selenium, and rubidium in a fixed stoichiometric ratio. This material belongs to the family of chalcogenide semiconductors doped with alkali metals, which are primarily explored in research contexts for photonic and optoelectronic applications rather than established industrial production. The rubidium doping modifies the electronic structure and optical properties compared to binary As-Se systems, making it of interest for specialized photosensitive devices, nonlinear optical materials, or potential all-solid-state battery electrolytes, though it remains largely in the experimental phase without widespread commercial deployment.