Solvent-dependent resonance Raman excitation profiles of 9,9′-bianthryl

Gregory D. Scholes, Thierry Fournier, David Phillips, Anthony W. Parker

Research output: Contribution to journalArticle

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.

Original languageEnglish (US)
Pages (from-to)51-56
Number of pages6
JournalLaser Chemistry
Volume19
Issue number1-4
DOIs
StatePublished - Jan 1 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Biochemistry
  • Spectroscopy

Keywords

  • Bianthryl
  • Molecular dynamics
  • Resonance Raman

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