Substitution effect on carbazole-centered donors for tuning exciplex systems as cohost for highly efficient yellow and red OLEDs
Liming Chen, I-Hung Lin, Yu‐Chi You, Wei‐Chih Wei, Meng‐Ju Tsai, Wen‐Yi Hung, Ken‐Tsung Wong
Abstract
Three new carbazole-based materials were designed for exciplex formation with PO-T2T. Then, the selected exciplex cohost two D–A–D-configurated fluorescent emitters, <bold>iCzPNT</bold> and <bold>iCzBTh2CN</bold>, to produce high efficiency OLEDs.
Topics & Concepts
OLEDCarbazoleExcimerMaterials scienceSubstitution (logic)PhotochemistryOptoelectronicsNanotechnologyChemistryComputer scienceOpticsFluorescencePhysicsProgramming languageLayer (electronics)Organic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsConducting polymers and applications