Sunlight-activated long persistent luminescence in the ultraviolet-B spectral region from Bi<sup>3+</sup>-doped garnet phosphors for covert optical tagging
Jingwei Liu, Yanjie Liang, Shao Yan, Dongxun Chen, Shihai Miao, Weili Wang, Jianqiang Bi
Abstract
A series of Bi<sup>3+</sup>-doped garnet-based UVB persistent phosphors have been developed, which can be conveniently charged by either a standard 254 nm lamp or natural sunlight, producing persistent UVB light emission peaking at 313 nm.
Topics & Concepts
PhosphorUltravioletMaterials scienceDopingSunlightLuminescenceAnalytical Chemistry (journal)OptoelectronicsPersistent luminescencePhotochemistryOpticsPhysicsChemistryChromatographyThermoluminescenceLuminescence Properties of Advanced MaterialsRadiation Detection and Scintillator TechnologiesLuminescence and Fluorescent Materials