Pressure-sensitive Ce<sup>3+</sup> photoluminescence in LiCaY<sub>5</sub>(BO<sub>3</sub>)<sub>6</sub>: high internal quantum yields and energy transfer to Tb<sup>3+</sup>
Yan Gao, Yunwei Zhao, Pengfei Jiang, Ting Bin Wen, Yonggang Wang, Rihong Cong, Tao Yang
Abstract
LiCa(Y 0.99 Ce 0.01 ) 5 (BO 3 ) 6 has a high IQY of 51%, which can be enhanced to 89% by co-doping 20% Tb 3+ . The maximal wavelength of Ce 3+ PL emission is highly sensitive to the applied pressure, which exhibits a linear red-shift (∼43 nm) up to 20.1 GPa.
Topics & Concepts
PhotoluminescenceMaterials scienceDopingEnergy transferAnalytical Chemistry (journal)Atomic physicsHigh pressureWavelengthQuantum efficiencyRed shiftQuantum yieldCrystallographyPhysical chemistryFluorescencePhysicsOptoelectronicsOpticsChemistryThermodynamicsGalaxyQuantum mechanicsChromatographyLuminescence Properties of Advanced MaterialsCrystal Structures and PropertiesElectronic and Structural Properties of Oxides