The simplest structure of a stable radical showing high fluorescence efficiency in solution: benzene donors with triarylmethyl radicals
Yohei Hattori, Ryota Kitajima, Wataru Ota, Ryota Matsuoka, Tetsuro Kusamoto, Tohru Sato, Kingo Uchida
Abstract
By adding mesityl donors to a diphenylpyridyl radical acceptor, a highly luminescent stable radical was prepared in three steps from commercially available reagents. The photoluminescence quantum yield was as much as 69% in chloroform.
Topics & Concepts
ChemistryPhotochemistryQuantum yieldSteric effectsPyridineIntersystem crossingRadicalFluorescenceAcceptorGround stateExcited statePolar effectBenzeneSinglet stateMedicinal chemistryStereochemistryOrganic chemistryCondensed matter physicsPhysicsQuantum mechanicsNuclear physicsOrganic Light-Emitting Diodes ResearchRadical Photochemical ReactionsLuminescence and Fluorescent Materials