The inhomogeneous broadening of the electronic spectra of dyes in glycerol solution. A time-resolved fluorescence study

M. J E Morgenthaler, Stephen R. Meech, Keitaro Yoshihara

Research output: Contribution to journalArticlepeer-review

Abstract

Inhomogeneous broadening of the electronic transitions of dyes in glycerol solutions have been observed by measuring the energy-resolved fluorescence decays as a function of excitation wavelength. The inhomogeneous broadening is shown to arise from a range of solvent-solute orientations, rather than solute conformational distributions. The time-resolved fluorescence data are readily interpreted in terms of a conventional model of inhomogeneous broadening with the inclusion of excited state solvent-solute reorientation. Implications for studies of the dynamic solvation shift are briefly discussed. © 1992.

Original languageEnglish
Pages (from-to)537-541
Number of pages5
JournalChemical Physics Letters
Volume197
Issue number6
Publication statusPublished - 25 Sep 1992

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