Reversible oxygen addition on a triplet sensitizer molecule: protection from excited state depopulation
作者： Mikhail A. Filatov , Ernesta Heinrich , Dmitry Busko , Iliyana Z. Ilieva , Katharina Landfester
DOI: 10.1039/C4CP05025H
关键词: Oxygen 、 Excited state 、 Palladium 、 Quenching (fluorescence) 、 Phosphorescence 、 Porphyrin 、 Chemistry 、 Molecule 、 Photochemistry 、 Covalent bond
摘要: We demonstrate that photoactivated oxygen addition to diphenylanthracene moities can be used as a tool for protection of porphyrin's phosphorescence against quenching. Phosphorescent palladium(II) tetrabenzoporphyrin, covalently linked four moieties, was synthesized and studied. Upon irradiation with ambient light or red laser in solution air, formation the corresponding endoperoxides were observed. Heating irradiated samples afforded parent porphyrin material.
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