Eu<sup>2+</sup>:CsCaX<sub>3</sub> (X = Cl, Br, I) perovskite nanocrystals in glasses for blue light-emitting applications
Yudong Zhang, Zhao Deng, Kai Li, Ying Ye, Chao Liu
Abstract
Eu 2+ :CsCaX 3 (X = Cl, Br, I) nanocrystals in glass show tunable blue emission, excellent chemical-, thermal- and photo-stability, high photoluminescence quantum yield of 81.9% and external quantum efficiency of 24.6% when excited with a UV LED chip.
Topics & Concepts
PhotoluminescenceNanocrystalMaterials scienceQuantum yieldPerovskite (structure)Thermal stabilityExcited stateBlue lightQuantum efficiencyYield (engineering)OptoelectronicsAnalytical Chemistry (journal)PhotochemistryNanotechnologyChemical engineeringCrystallographyOpticsAtomic physicsFluorescenceOrganic chemistryChemistryPhysicsMetallurgyEngineeringPerovskite Materials and ApplicationsLuminescence Properties of Advanced MaterialsOrganic Light-Emitting Diodes Research