Triarylboron-based TADF emitters with perfluoro substituents: high-efficiency OLEDs with a power efficiency over 100 lm W<sup>−1</sup>
Ajay Kumar, Woochan Lee, Taehwan Lee, Jaehoon Jung, Seunghyup Yoo, Min Hyung Lee
Abstract
Triarylboron emitters with secondary perfluoro acceptors display strong thermally activated delayed fluorescence (TADF) with high PLQYs up to 100%. TADF-OLEDs with the emitters achieve a high EQE of 29.9%, as well as an ultrahigh PE of 123.9 lm W<sup>−1</sup>.
Topics & Concepts
OLEDMaterials scienceFluorescenceOptoelectronicsDiodeAnalytical Chemistry (journal)NanotechnologyOpticsChemistryPhysicsOrganic chemistryLayer (electronics)Organic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent Materials