Time-dependent dynamic multicolor afterglow of simple LiGa<sub>5</sub>O<sub>8</sub>:Eu<sup>3+</sup>/Tb<sup>3+</sup>particles for advanced anticounterfeiting and encryption
Peng Zhang, Wanying Xie, Zhenbin Wang, Zenggang Lin, Xiuxiang Huang, Zhenghua Ju, Weisheng Liu
Abstract
A series of LiGa 5 O 8 :Eu 3+ /Tb 3+ phosphors exhibit time-dependent dynamic multicolor afterglow from blue to red or green over several seconds after ceasing the excitation.
Topics & Concepts
AfterglowLIGASimple (philosophy)PhysicsNuclear physicsMaterials scienceAtomic physicsAstrophysicsGamma-ray burstEpistemologyFabricationPathologyPhilosophyAlternative medicineMedicineLuminescence and Fluorescent MaterialsLuminescence Properties of Advanced MaterialsPolydiacetylene-based materials and applications