Insights into luminescence thermal quenching of Mn<sup>4+</sup>-doped BaLa(Na/Li)(W/Te)O<sub>6</sub> double perovskite red phosphors
Mengyao Zhai, Qiufeng Shi, Konstantin V. Ivanovskikh, Jianwei Qiao, Lei Wang, Haijie Guo, Ping Huang, Xiaojun Wang
Abstract
A series of Mn 4+ doped BaLa(Na/Li)WO 6 and BaLaLi(W/Te)O 6 phosphors were synthesized and studied. Substitution reactions of Na + by Li + and W 6+ by Te 6+ allows the management of the energy gap between Mn 4+ 2 E g and 4 T 2g states and improves the thermal stability of the phosphors.
Topics & Concepts
PhosphorMaterials scienceDopingThermal stabilityLuminescencePerovskite (structure)Quenching (fluorescence)Analytical Chemistry (journal)MineralogyCrystallographyFluorescenceChemical engineeringPhysicsChemistryOptoelectronicsOpticsEngineeringChromatographyLuminescence Properties of Advanced MaterialsPerovskite Materials and ApplicationsMicrowave Dielectric Ceramics Synthesis