Perovskite/organic hybrid tandem light-emitting diodes with an external quantum efficiency of over 40%
Min Zhu, Shuang‐Qiao Sun, Wei He, Yan‐Lin Xu, Qi Sun, Yue‐Min Xie, Man‐Keung Fung, Shuit‐Tong Lee
Abstract
Novel designed perovskite/organic hybrid tandem light-emitting diode (POTLEDs) are developed by depositing OLED units onto bottom perovskite LED units, which illustrate a champion EQE of 41.1% with a maximum CE of 144.2 cd A −1 indicating the high-efficiency potential of POTLEDs.
Topics & Concepts
TandemOLEDPerovskite (structure)Materials scienceChampionDiodeQuantum efficiencyOptoelectronicsLight-emitting diodeNanotechnologyComposite materialCrystallographyChemistryPolitical scienceLawLayer (electronics)Perovskite Materials and ApplicationsOrganic Light-Emitting Diodes ResearchConducting polymers and applications