Laser Chemistry

Laser Chemistry / 1999 / Article
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Proceedings of the Eighth Conference on Time-Resolved Vibrational Spectroscopy

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Volume 19 |Article ID 092141 | https://doi.org/10.1155/1999/92141

Gregory D. Scholes, Thierry Fournier, David Phillips, Anthony W. Parker, "Solvent-Dependent Resonance Raman Excitation Profiles of 9,9'-Bianthryl", Laser Chemistry, vol. 19, Article ID 092141, 6 pages, 1999. https://doi.org/10.1155/1999/92141

Solvent-Dependent Resonance Raman Excitation Profiles of 9,9'-Bianthryl

Received06 May 1997

Abstract

Dynamics subsequent to the electronic excitation of 9,9′-bianthryl produce a polar emissive excited state for which the symmetry of the bichromophore is broken by a dynamic solvent stabilisation of one of the two, otherwise degenerate, charge transfer configurations which contribute to the excited electronic state. The initial state created upon excitation is examined here by analysis of ground state resonance Raman excitation profiles (REPs) and electronic absorption spectra in solvents of various polarities. The results suggest that the REPs are signalling electronic differences between the initially excited state in the various solvents. We suggest that this is related to the bianthryl excited state being responsive to the disordered solvent environment.

Copyright © 1999 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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