Variable-temperature study of aromatic hydrocarbon triplet-state quenching by molecular oxygen in solution
β Scribed by McLean, Andrew J.; Rodgers, Michael A. J.
- Book ID
- 125996653
- Publisher
- American Chemical Society
- Year
- 1993
- Tongue
- English
- Weight
- 932 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0002-7863
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π SIMILAR VOLUMES
The rate constants for quenching of the triplet states of eleven different aromatic hydrocarbons by copper(I1) bis(2,4-pentanedionate) and copper(U) bis( l,l, 1,5,5,5-hexafluoro-2,4-pcntanedionate) in solution have been measured by laser flash photolysis. The involvement of electron-and energy-trans
pulsed nitrogen laser is appiied for studying the quenching of aromatic hydrocarbons fluorescence by oxygen. In non-polar solvents the process induces intersystem crossing to the triplet state with a quantum yield of unity. Effects of solvent polarity suggest that the interaction between Sl and O2(