Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

Time-correlated single-photon counting was used to obtain anisotropic fluorescence profiles for DODCI in ethylene glycol. Rotational diffusion of DODCI in this solvent was characterized at a concentration of ∼10−6 M, where minimal electronic excitation transport occurs during the dye fluorescence lifetime. The fluorescence depolarization due to excitation transport at higher concentrations was separated from that due to rotational diffusion; analysis of our data yields excellent agreement with current transport theories. The discrepancies observed between these theories and our earlier DODCI experiments in glycerol [J. Chem. Phys. 86, 2689 (1987)] appear to originate from orientational correlation of neighboring chromophores in that solvent; glycerol exhibits remarkable coherence in its total radial distribution function out to separations as large as 25 Å at temperatures between 250 and 350 K [Z. Naturforsch. Teil A 36, 1045 (1981)].

Bibliography

Anfinrud, P. A., & Struve, W. S. (1987). Comparison of DODCI fluorescence depolarization in glycerol and ethylene glycol: Effect of orientational correlation on excitation transport. The Journal of Chemical Physics, 87(8), 4256–4262.

Authors 2
  1. Philip A. Anfinrud (first)
  2. Walter S. Struve (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 26, 2002, 9:20 a.m.)
Deposited 1 year, 6 months ago (Feb. 10, 2024, 1:56 a.m.)
Indexed 1 year, 6 months ago (Feb. 10, 2024, 10:05 a.m.)
Issued 37 years, 10 months ago (Oct. 15, 1987)
Published 37 years, 10 months ago (Oct. 15, 1987)
Published Print 37 years, 10 months ago (Oct. 15, 1987)
Funders 0

None

@article{Anfinrud_1987, title={Comparison of DODCI fluorescence depolarization in glycerol and ethylene glycol: Effect of orientational correlation on excitation transport}, volume={87}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.452883}, DOI={10.1063/1.452883}, number={8}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Anfinrud, Philip A. and Struve, Walter S.}, year={1987}, month=oct, pages={4256–4262} }