Heavy-atom quenching of monomer and excimer pyrene fluorescence
β Scribed by Martinho, J. M. G.
- Book ID
- 120997431
- Publisher
- American Chemical Society
- Year
- 1989
- Tongue
- English
- Weight
- 664 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0022-3654
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π SIMILAR VOLUMES
The absorption and polarization spectra from the first excited singlet state of pyrene and the absorption spectrum of the pyrene excimer are presented. These results were obtained by laser flash spectroscopy using a frequency doul bled ruby laser pulse of 6 nanoseconds halfwidth. A qualitative prel
The monomer and excimer fluorescence polarization of 4,9-disubstituted pyrenes with molecular long axes nearly perpendicular to the pyrene skeleton were measured in a nematic liquid crystal. By comparison with unsubstituted pyrene it is found that the excimer transition moment is oriented parallel t