Protonation-induced fluorescence modulation of carbazole-based emitters
Essi Taipale, Nikita A. Durandin, Jagadish K. Salunke, Nuno R. Candeias, Tero‐Petri Ruoko, Jas S. Ward, Arri Priimägi, Kari Rissanen
Abstract
The protonation of carbazole derivatives results in the restriction of the intramolecular rotation, planarization of the molecule and relocalisation of the LUMO orbital increasing the fluorescence quantum yield from 16% to 80%.
Topics & Concepts
ProtonationCarbazoleIntramolecular forceFluorescenceQuantum yieldPhotochemistryChemical-mechanical planarizationMoleculeChemistryHOMO/LUMOYield (engineering)Materials scienceStereochemistryPhysicsOrganic chemistryOpticsLayer (electronics)IonMetallurgyOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsOrganic Electronics and Photovoltaics