Highly efficient and thermally stable broadband near-infrared emitting fluoride Cs<sub>2</sub>KGaF<sub>6</sub>:Cr<sup>3+</sup> for multiple LED applications
Zixuan Wu, Xinxin Han, Juan Wang, Yayun Zhou, Ke Xing, Sheng Cao, Jialong Zhao, Bingsuo Zou, Ruosheng Zeng
Abstract
A highly efficient (IQE = 90.2%) and thermally stable ( I 150 °C = 88.7%) broadband NIR emitting fluoride Cs 2 KGaF 6 :Cr 3+ is explored. Meanwhile, a multipurpose high-performance NIR pc-LED with a photoelectric conversion efficiency of 22.05% is achieved.
Topics & Concepts
Materials scienceFluorideBroadbandPhotoelectric effectInfraredOptoelectronicsOpticsInorganic chemistryPhysicsChemistryLuminescence Properties of Advanced MaterialsSolid State Laser TechnologiesInorganic Fluorides and Related Compounds