A novel red-emitting phosphor K<sub>2</sub>MgGeO<sub>4</sub>:Eu<sup>3+</sup> for WLEDs: zero-thermal quenching induced by heterovalent substitution
Yuxing Bai, Zhenwei Jia, Jingyi Gao, Li Wu, Yongfa Kong, Yi Zhang, Jingjun Xu
Abstract
The heterovalent substitution of Eu 3+ ions for K + sites introduces quantitative V K and O i in the host lattice, which yields high IQE, induces zero-TQ, and promotes the fabrication of WLED with high R a .
Topics & Concepts
PhosphorMaterials scienceIonQuenching (fluorescence)FabricationSubstitution (logic)ThermalLuminescenceAnalytical Chemistry (journal)OptoelectronicsFluorescenceOpticsPhysicsChemistryThermodynamicsAlternative medicineMedicineComputer scienceQuantum mechanicsProgramming languageChromatographyPathologyLuminescence Properties of Advanced MaterialsMicrowave Dielectric Ceramics SynthesisGlass properties and applications