Thermal activation induced charge transfer state absorption redshift realizes strong anti-thermal quenching in Pr<sup>3+</sup>-activated phosphor
Xiang Lv, Ning Guo, Song Qu, Yanmei Xin, Mei Yang, Baiqi Shao, Ruizhuo Ouyang
Abstract
A totally abnormal thermal quenching of red-shifted and enhanced charge transfer state absorption is found in LiTaO 3 :Pr 3+ phosphors, which makes the phosphors show distinct thermal quenching properties at specific excitation wavelengths.
Topics & Concepts
PhosphorQuenching (fluorescence)ThermalAbsorption (acoustics)PhotochemistryLuminescenceMaterials scienceThermal transferChemistryFluorescenceOptoelectronicsOpticsThermodynamicsPhysicsNanotechnologyLayer (electronics)Composite materialLuminescence Properties of Advanced MaterialsPerovskite Materials and ApplicationsPhotorefractive and Nonlinear Optics