A novel electroplex host with dual triplet exciton up-converting channels suppressing triplet exciton induced degradation mechanisms in blue organic light-emitting diodes
Ju Hui Yun, Jae‐Min Kim, Won Jae Chung, Junseop Lim, Jun Yeob Lee, Yoonkyoo Lee, Changwoong Choo
Abstract
A novel n-type host material with thermally activated delayed fluorescence nature (SiTCNCz) was developed. Electroplex-based PhOLEDs adopting mixed SiTCNCz revealed an extended device lifetime by more than twice compared to the reference device.
Topics & Concepts
ExcitonMaterials scienceOLEDFluorescenceOptoelectronicsDegradation (telecommunications)DiodeHost (biology)PhotochemistryDual (grammatical number)NanotechnologyChemistryOpticsPhysicsTelecommunicationsCondensed matter physicsComputer scienceArtEcologyLiteratureLayer (electronics)BiologyOrganic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsConducting polymers and applications