Efficient and ultra-broadband Cr<sup>3+</sup>/Ni<sup>2+</sup> co-doped phosphors for light-emitting diodes with spectral output over NIR-I and NIR-II regions
Qianyi Jia, Leqi Yao, Shijie Yu, Shuxuan Gong, Jianqing Jiang, Qiyue Shao
Abstract
A blue-light excitable near-infrared (NIR) MgGa 2 (O,F) 4 :Cr 3+ ,Ni 2+ phosphor is developed, which exhibits an ultrabroad NIR emission from 700 to 1500 nm and an internal quantum efficiency of up to 83.3%.
Topics & Concepts
PhosphorMaterials scienceNear-infrared spectroscopyDopingDiodeQuantum efficiencyOptoelectronicsLight-emitting diodeBlue lightBroadbandOpticsPhysicsLuminescence Properties of Advanced MaterialsGa2O3 and related materialsInorganic Fluorides and Related Compounds