Defect Engineering and Luminescent Materials: A Review

This review summarizes recent advances in defect engineering of metal oxides and their applications in luminescent materials. The article covers various aspects, including oxygen vacancy characterization, defect TiO2 photocatalysis, luminescence property tuning of rare-earth doped oxides, and optical information storage technologies based on photoluminescence. Research shows that controlling defect concentration and type can effectively modulate the optical and electrical properties of materials, providing a crucial theoretical and experimental foundation for developing novel optoelectronic devices.