K<sup>+</sup>-doping-induced highly efficient red emission in CsPb(Br,I)<sub>3</sub> quantum dot glass toward Rec. 2020 displays
Xuejie Lv, Hang Lin, Ju Xu, Shisheng Lin, Yao Cheng, Yuansheng Wang
Abstract
It is demonstrated that the incorporation of K + into CsPb(Br,I) 3 perovskite quantum dot glass leads to the simultaneous increases of quantum efficiency and phase stability. The latent mechanism is analyzed via the microstructural and spectroscopic studies. The constructed prototype white-light-emitting diode device yields an ultra-wide color gamut attaining 96% Rec. 2020 standard.
Topics & Concepts
Quantum dotMaterials scienceGamutOptoelectronicsLight-emitting diodeOpticsQuantum efficiencyPerovskite (structure)DiodePhase (matter)QuantumQuantum dot laserRefractive indexEmission spectrumQuantum opticsSpontaneous emissionPhotoluminescencePerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materialsQuantum Dots Synthesis And Properties