Quenching of ketone triplet excited states by atmospheric halides
Rachel Gemayel, C. Emmelin, S. Perrier, Sophie Tomaz, Vahe J. Baboomian, Dmitry A. Fishman, Sergey A. Nizkorodov, Stéphane Dumas, C. George
Abstract
The photosensitized chemistry of three aromatic ketones (xanthone, flavone, and acetophenone) and also of secondary organic aerosols (SOAs) arising from the photo-oxidation of naphthalene was investigated by means of transient absorption spectroscopy.
Topics & Concepts
KetonePhotochemistryNaphthaleneChemistryAcetophenoneQuenching (fluorescence)Excited stateXanthoneHalidePhenanthreneTriplet stateUltrafast laser spectroscopyAbsorption (acoustics)SpectroscopyOrganic chemistryMaterials scienceFluorescenceMoleculeCatalysisPhysicsComposite materialQuantum mechanicsNuclear physicsAtmospheric chemistry and aerosolsAtmospheric Ozone and ClimateSpectroscopy and Laser Applications