Slow fluctuation in chromophore-solvent systems observed by time-resolved transient hole-burning spectroscopy

Atusi Kurita, Kazuki Matsumoto, Yutaka Shibata, Takashi Kushida

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Structural relaxation in liquids on a wide time scale has been studied by time-resolved transient hole-burning spectroscopy. Time evolution of a hole with a long lifetime that is due to a long triplet-state lifetime has been measured in the systems of merbromin in glycerol and propylene glycol, and also in the systems of Zn-protoporphyrin in glycerol dimethylformamide mixtures over the temperature range 180-300 K and time range 1 μs-10 ms. The temporal shift of the hole has revealed nonexponential dynamics of liquids and has been well reproduced by a stretched exponential function. The temperature dependence of the relaxation time has been compared with the results of dielectric relaxation measurements.

Original languageEnglish
Pages (from-to)295-298
Number of pages4
JournalJournal of Luminescence
Volume76-77
DOIs
Publication statusPublished - 1998 Feb
Externally publishedYes

Keywords

  • Glass transition
  • Glycerol
  • Merbromin
  • Transient hole burning

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Chemistry(all)
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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