<i>In situ</i>passivation of Pb<sup>0</sup>traps by fluoride acid-based ionic liquids enables enhanced emission and stability of CsPbBr<sub>3</sub>nanocrystals for efficient white light-emitting diodes
Yanqiao Xu, Xiaobo Hu, Haijie Chen, Huidong Tang, Qing Hu, Ting Chen, Weihui Jiang, Lianjun Wang, Wan Jiang
Abstract
An efficient in situ surface passivation strategy is proposed to improve the emission performance of CsPbBr 3 NCs with the assistance of [Bmim]BF 4 , which contributes to the removal of Pb 0 deep traps and passivation of surface defects simultaneously.
Topics & Concepts
PassivationPhotoluminescenceMaterials scienceHalideQuantum yieldNanocrystalPhosphorLight-emitting diodeIonic liquidPerovskite (structure)OptoelectronicsChemical engineeringNanotechnologyFluorescenceInorganic chemistryCatalysisOpticsChemistryOrganic chemistryPhysicsLayer (electronics)EngineeringPerovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materialsLuminescence Properties of Advanced Materials