A zinc non-halide dopant strategy enables efficient perovskite CsPbI<sub>3</sub> quantum dot-based light-emitting diodes
Jinhang Li, Jiawei Chen, Leimeng Xu, Sinan Liu, Si Lan, Xiansheng Li, Jizhong Song
Abstract
A zinc non-halide dopant strategy is employed to clarify the internal mechanism of Zn<sup>2+</sup> doping without the introduction of halide ions and enhance the emission properties evidenced by the EQE of the QLEDs from 7.5% to 14.6% after Zn<sup>2+</sup> doping.
Topics & Concepts
HalideDopantZincDopingQuantum dotPerovskite (structure)Materials scienceLight-emitting diodeDiodeOptoelectronicsIonInorganic chemistryChemistryCrystallographyMetallurgyOrganic chemistryPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesOptical properties and cooling technologies in crystalline materials