Photoluminescence enhancement of Mn<sup>4+</sup>-doped Rb<sub>2</sub>NaAlF<sub>6</sub> single-crystal phosphors <i>via</i> heterovalent co-doping for wide gamut displays
Zhen Chen, Chuang Zhang, Yuanjing Wang, Hong Ming, Yayun Zhou, Enhai Song, Qinyuan Zhang
Abstract
A high-performance single-crystal red phosphor Rb 2 NaAlF 6 :Mn 4+ ,Mg 2+ with a shorter fluorescence lifetime (4.93 ms), excellent chromaticity coordinates (0.7001, 0.2998), and a high EQE (50.91%) is demonstrated by a defect-rare engineering strategy.
Topics & Concepts
GamutPhotoluminescencePhosphorDopingMaterials scienceOptoelectronicsOpticsPhysicsInorganic Fluorides and Related CompoundsLuminescence Properties of Advanced MaterialsMicrowave Dielectric Ceramics Synthesis