Picosecond rotational diffusion by differential single-photon fluorescence spectroscopy

The rotational diffusion contants of rhodamine-6G, coumarin-1 and N-acetyltryptophanamide in various solvents have been determined by an experimental method where the vertically and horizontally polarized fluorescence spectra are measured simultaneously by the same detector. The results indicate tha...

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Bibliographic Details
Published in:Chemical physics letters 1981-03, Vol.78 (2), p.219-223
Main Authors: van Resandt, R.W.Wijnaendts, de Maeyer, L.
Format: Article
Language:English
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Summary:The rotational diffusion contants of rhodamine-6G, coumarin-1 and N-acetyltryptophanamide in various solvents have been determined by an experimental method where the vertically and horizontally polarized fluorescence spectra are measured simultaneously by the same detector. The results indicate that the Debye—Stokes—Einstein model does not hold for coumarin-1 and N-acetyltryptophanamide in ethylene glycol.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(81)80003-6