Tunable and enhanced mechanoluminescence in LiYGeO<sub>4</sub>:Tb<sup>3+</sup><i>via</i> Bi<sup>3+</sup> → Tb<sup>3+</sup> energy transfer
Peishan Shao, Puxian Xiong, Dongliang Jiang, Zhicong Chen, Yao Xiao, Yongsheng Sun, Dongdan Chen, Zhongmin Yang
Abstract
Enhanced tunable mechanoluminescence (ML) is obtained in orthorhombic phase compound LiYGeO 4 :Bi 3+ ,Tb 3+ . An anti-counterfeiting device is designed, which demonstrates the potential application prospects in the dynamic anti-counterfeiting field.
Topics & Concepts
MechanoluminescenceMaterials scienceOrthorhombic crystal systemEnergy transferField (mathematics)Phase (matter)OptoelectronicsPhosphorOpticsAtomic physicsPhysicsDiffractionQuantum mechanicsPure mathematicsMathematicsLuminescence and Fluorescent MaterialsLuminescence Properties of Advanced MaterialsPerovskite Materials and Applications