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- W2000843890 abstract "Vibrationally excited singlet and triplet states of 2,3-pentanedione are formed by photolysis at 365 nm. The processes removing these excited states in the gas phase are studied by measuring the fluorescence and phosphorescence yields. Fluorescence can occur from the vibrationally excited, as well as the vibrationally equilibrated, singlet state. The fluorescence and phosphorescence data are considered in terms of mechanisms which involve either weak or strong collisions. Although the data cannot distinguish between the alternatives, there are two significant conclusions. The fluorescence data require that emission occur from at least two levels in the singlet manifold. To explain the phosphorescence data, the highest emitting singlet level must not lead to a vibrationally equilibrated triplet state." @default.
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- W2000843890 date "1972-05-01" @default.
- W2000843890 modified "2023-10-18" @default.
- W2000843890 title "Emission and Deactivation of the Excited States of 2,3-Pentanedione" @default.
- W2000843890 doi "https://doi.org/10.1139/v72-210" @default.
- W2000843890 hasPublicationYear "1972" @default.
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