Enhanced quantum efficiency and thermal stability by crystal-field engineering in a Y(Ga,Al)<sub>3</sub>(BO<sub>3</sub>)<sub>4</sub>:Cr<sup>3+</sup>,Yb<sup>3+</sup> phosphor for diverse short-wave infrared applications
Chenxue Wang, Xi‐Bao Zhang, Chuansheng Zhong, Xiudi Wu, Yonghui Xu, Shuwen Yin, Qingtao Yang, Liang Zhou, Hongpeng You
Abstract
In this work, a novel NIR phosphor YGa 1.8 Al 1.2 (BO 3 ) 4 :Cr 3+ was synthesized. By designing the Cr 3+ –Yb 3+ energy transfer, efficient SWIR luminescence with simultaneously high IQE, thermal stability and output power was achieved.
Topics & Concepts
Thermal stabilityMaterials scienceLuminescencePhosphorQuantum efficiencyEnergy transferThermalField (mathematics)Analytical Chemistry (journal)Atomic physicsOptoelectronicsThermodynamicsPhysicsChemistryQuantum mechanicsMathematicsPure mathematicsChromatographyLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsRadiation Detection and Scintillator Technologies