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- W1968114764 abstract "The lowest triplet state of tris(8-hydroxyquinoline)aluminium(III) (Alq3) has been prepared by pulse radiolysis/energy transfer from appropriate donors in benzene solutions and has an absorption maximum around 510 nm with a lifetime of about 50 mus. It is quenched by molecular oxygen, leading to singlet oxygen formation. From flash photolysis and singlet oxygen formation measurements, a quantum yield of triplet formation of 0.24 was determined for direct photolysis of the complex. A value of 2.10 +/- 0.10 eV was determined for the energy of the lowest triplet state by energy transfer studies and was confirmed by phosphorescence measurements on Alq3, either in the heavy atom solvent ethyl iodide or photosensitized by benzophenone in benzene. Dexter (exchange) energy transfer was observed from triplet Alq3 to platinum(II) octaethylporphyrin." @default.
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- W1968114764 date "2003-11-21" @default.
- W1968114764 modified "2023-09-27" @default.
- W1968114764 title "Characterization of the Triplet State of Tris(8-hydroxyquinoline)aluminium(III) in Benzene Solution" @default.
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- W1968114764 doi "https://doi.org/10.1021/ja037254f" @default.
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