Ultralong room temperature phosphorescence and ultraviolet fluorescence from simple triarylphosphine oxides
Satyam Jena, Akkarakkaran Thayyil Muhammed Munthasir, Pakkirisamy Thilagar
Abstract
Ultralong room temperature phosphorescence of simple triarylphosphine oxides is reported. The lone pair electrons on the P in triarylphosphines facilitate faster intersystem crossing than those on the O of the P=O moiety in triarylphosphine oxides.
Topics & Concepts
PhosphorescenceIntersystem crossingMaterials sciencePhotochemistryFluorescenceSimple (philosophy)UltravioletLone pairOptoelectronicsChemistryAtomic physicsOpticsMoleculeExcited stateOrganic chemistrySinglet statePhilosophyPhysicsEpistemologyLuminescence and Fluorescent MaterialsMolecular Sensors and Ion DetectionOrganoboron and organosilicon chemistry