Near-infrared thermally activated delayed fluorescence of D–π-A–π-D difluoroboron complex for efficient singlet oxygen generation in aqueous media
Ziyong Li, Xiao‐Gang Yang, Hai-Ning Zhang, Ji‐Rui Zhang, Xu‐Ke Tian, Jian‐Hua Qin, Lu‐Fang Ma, Dongpeng Yan
Abstract
NIR TADF difluoroboron complex shows extremely small Δ E ST , broad absorption range (350–650 nm), high 1 O 2 quantum yield (62%), and selective photodynamic killing of Gram-positive bacteria.
Topics & Concepts
Singlet oxygenPhotochemistryFluorescenceAqueous mediumAqueous solutionInfraredOxygenSinglet stateChemistryMaterials sciencePhysicsOpticsPhysical chemistryExcited stateOrganic chemistryAtomic physicsLuminescence and Fluorescent MaterialsPorphyrin and Phthalocyanine ChemistryMolecular Sensors and Ion Detection