BaSbO2S

BaSbO₂S is an oxysulfide ceramic compound containing barium, antimony, oxygen, and sulfur—a mixed-anion ceramic in the rare-earth and post-transition metal chemistry space. This is primarily a research material studied for its potential in photocatalysis, optoelectronic devices, and solid-state chemistry applications, as the combination of oxide and sulfide anions can produce interesting band structures and light-absorption properties. The material represents an emerging class of oxysulfide ceramics that engineers and researchers investigate as alternatives to conventional semiconductors or catalysts where tunable electronic or photochemical properties are required.