Luminance efficiency roll-off mechanism in CsPbBr<sub>3−x</sub>Cl<sub>x</sub> mixed-halide perovskite quantum dot blue light-emitting diodes
Young Ran Park, Hong Hee Kim, Sangwon Eom, Won Kook Choi, Hyosung Choi, Bo Ram Lee, Youngjong Kang
Abstract
Efficiency roll-off is a significant issue in blue light-emitting diodes (LEDs), but its origin still remains controversial.
Topics & Concepts
Perovskite (structure)Light-emitting diodeMaterials scienceHalideLuminanceOptoelectronicsDiodeQuantum dotQuantum efficiencyBlue lightOpticsCrystallographyInorganic chemistryPhysicsChemistryPerovskite Materials and ApplicationsOrganic Light-Emitting Diodes ResearchQuantum Dots Synthesis And Properties