Highly stable lanthanide-doped CsPbI<sub>3</sub> perovskite nanocrystals with near-unity quantum yield for efficient red light-emitting diodes
Wenlin Xia, Zhenwei Ren, Zhishuai Zheng, Chengzhao Luo, Jie Li, Wenchen Ma, Xin Zhou, Yu Chen
Abstract
The rare earth La cation is strategically introduced to fundamentally improve CsPbI 3 phase stability and emission efficiency (near-unity PLQY of 99.3%), prompting great enhancements in the perovskite light-emitting diodes.
Topics & Concepts
Quantum yieldPerovskite (structure)Materials sciencePhotoluminescenceQuantum efficiencyOptoelectronicsDopingNanocrystalDiodeLight-emitting diodeNanotechnologyChemistryOpticsPhysicsCrystallographyFluorescencePerovskite Materials and ApplicationsLuminescence Properties of Advanced MaterialsQuantum Dots Synthesis And Properties