Optically and electrically excited intermediate electronic states in donor:acceptor based OLEDs
Nikolai Bunzmann, Sebastian Weissenseel, Liudmila Kudriashova, Jeannine Gruene, Benjamin Krugmann, Juozas Vidas Grazulevicius, Andreas Sperlich, Vladimir Dyakonov
Abstract
Using spin-sensitive techniques, we show that optical excitation and electrical generation in donor:acceptor TADF OLEDs involve different excited state pathways towards light emission.
Topics & Concepts
Excited stateOLEDMaterials scienceOptoelectronicsExcitationDiodeExcited electronic stateLight-emitting diodeState (computer science)Optical switchOptical pumpingOrganic Light-Emitting Diodes ResearchPhotochemistry and Electron Transfer StudiesThin-Film Transistor Technologies