Using azaacene as an acceptor unit to construct an ultraefficient red fluorophore with an EQE over 40%
Xiaojing Wang, Han Liu, Kai Zhang, Dezhi Yang, Ze‐Hui Pan, Chuan‐Kui Wang, Man‐Keung Fung, Dongge Ma, Jian Fan
Abstract
= 90%). As a result, an AZA-TPA-based OLED achieved an unprecedented external quantum efficiency of 41.30% at 610 nm. This work will pave a new path for the development of efficient N-heteroacene-based fluorophores.
Topics & Concepts
OLEDFluorophoreMaterials scienceLuminophoreAcceptorOptoelectronicsQuantum efficiencyQuenching (fluorescence)AnthracenePhotoluminescencePhotochemistryOrganic electronicsLuminescenceFluorescenceNanotechnologyOpticsChemistryPhysicsCondensed matter physicsTransistorVoltageLayer (electronics)Quantum mechanicsOrganic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent Materials