<i>In situ</i> cadmium surface passivation of perovskite nanocrystals for blue LEDs
Woo Hyeon Jeong, Zhongkai Yu, Luca Gregori, Jonghee Yang, Su Ryong Ha, Ji Won Jang, Hochan Song, Jong Hyun Park, Eui Dae Jung, Myoung Hoon Song, Sung Heum Park, Henry J. Snaith, Alberto Boretti, Filippo De Angelis, Daniele Meggiolaro, Jeongjae Lee, Hyosung Choi, Bo Ram Lee
Abstract
The surface passivating and defect suppressing nature of Cd dopants and DDAB ligands in PNCs provides remarkable photoluminescence quantum yield and emission stability, leading to enhanced device efficiencies in blue PeLEDs.
Topics & Concepts
PassivationNanocrystalPhotoluminescenceLight-emitting diodeQuantum yieldMaterials scienceDopantPerovskite (structure)OptoelectronicsCadmiumChemical engineeringNanotechnologyDopingMetallurgyOpticsFluorescenceLayer (electronics)PhysicsEngineeringPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films