Understanding the broadband near-infrared luminescence in a highly distorted garnet Ca<sub>4</sub>HfGe<sub>3</sub>O<sub>12</sub>:Cr<sup>3+</sup> phosphor
Zurong Liao, Jiyou Zhong, Chaojie Li, Huan Jiang, Weiren Zhao
Abstract
-activated garnet-type phosphors. Nevertheless, the as-prepared NIR pc-LED device exhibits a NIR output of 16.52 mW with a NIR photoelectric conversion efficiency of 5.92% driven by 100 mA current, indicating the potential of this material for application in NIR pc-LED.
Topics & Concepts
PhosphorQuantum efficiencyLuminescenceMaterials scienceAbsorption (acoustics)OptoelectronicsEmission intensityNear-infrared spectroscopyInfraredAnalytical Chemistry (journal)Absorption spectroscopyDopingOpticsChemistryPhysicsChromatographyComposite materialLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsPerovskite Materials and Applications