Picosecond absorption spectroscopy of the fluorescent state of trans-thioindigo
โ Scribed by S.A. Krysanov; M.V. Alfimov
- Publisher
- Elsevier Science
- Year
- 1983
- Weight
- 342 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0047-2670
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Transient species which are involved in direct photoisomerization of trans-thioindigo have been invest&ted using picosecond spectroscopy\_ The long-lived transient absorption band at 600 nm observed in previous nanosecond experiments was shown to be formed on a picosecond time scale. Such ultrafast
Picosecond time-resolved fluorescence spectra of all-trans retinal in hexane have been measured with 8 ps time-resolution with use of a highly sensitive streak camera. The observed fluorescence consists of a fast (r < 1 ps, ,h.ma x m 470 nm) and a slow (r = 33-34 ps, Ama x --540 nm) component. The l