Photophysics of lumichrome and its analogs

E. Sikorska, D. R. Worrall, J. L. Bourdelande, M. Sikorski

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14 Citations (Scopus)


The spectroscopic and photophysical properties of lumichrome and its 1- and 3-methyl and 1,3-dimethyl derivatives in acetonitrile and in methanol are presented. In common with the parent molecule, the photophysics of the lumichrome methyl derivatives are dominated by non-radiative transitions in both methanol and acetonitrile. However, fluorescence yields in methanol are higher than in acetonitrile as a result of a reduction in the efficiency of non-radiative deactivation channels. These observations are discussed in terms of the available solvent-solute interactions.
Original languageEnglish
Pages (from-to)65-73
JournalPolish Journal of Chemistry
Issue number1
Publication statusPublished - 1 Jan 2003


  • Alloxazine
  • Fluorescence lifetime
  • Lumichrome
  • Photophysics
  • Transient absorption


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