The regioisomeric effect on the excited-state fate leading to room-temperature phosphorescence or thermally activated delayed fluorescence in a dibenzophenazine-cored donor–acceptor–donor system
Takumi Hosono, Nícolas Oliveira Decarli, Paola Zimmermann Crocomo, Tsuyoshi Goya, Leonardo Evaristo de Sousa, Norimitsu Tohnai, Satoshi Minakata, Piotr de Silva, Przemysław Data, Youhei Takeda
Abstract
Regioisomeric and substituent effects in a twisted D–A–D molecular scaffold on the photophysical properties has been revealed. The studied compounds display distinct difference in TADF, dual TADF&RTP, and dual RTP, depending on the host used.
Topics & Concepts
PhosphorescencePhotochemistryExcited stateMaterials scienceFluorescenceAcceptorChemistryAtomic physicsOpticsCondensed matter physicsPhysicsOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsOrganic Electronics and Photovoltaics