Twisted acceptors in the design of deep-blue TADF emitters: crucial role of excited-state relaxation in the photophysics of methyl-substituted <i>s</i>-triphenyltriazine derivatives
Illia E. Serdiuk, Chi Hyun Ryoo, Karol Kozakiewicz, Michał Mońka, Beata Liberek, Soo Young Park
Abstract
A series of twisted triaryl-<italic>s</italic>-triazine derivatives are used as acceptor fragments in design of deep-blue TADF emitters for OLED. Comprehensive photophysical investigations indicate high impact of structural relaxation on the TADF color and efficiency.
Topics & Concepts
Excited stateOLEDAcceptorMaterials scienceRelaxation (psychology)PhotochemistryBlue lightDeep blueOptoelectronicsNanotechnologyChemistryAtomic physicsPhysicsSocial psychologyPsychologyCondensed matter physicsLayer (electronics)Organic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsOrganic Electronics and Photovoltaics