Observation of heterogeneity in the nanosecond dynamics of a liquid

M. Yang, Ranko Richert

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Time-integrated fluorescence spectra of coumarin 153 in 2-methyltetrahydrofuran were measured for temperatures ranging from T=85 K to T=155 K. The temperature dependent inhomogeneous linewidth σinh(T) was inferred from a Gaussian analysis of the emission profiles. The results lead to the conclusion that the relaxation time scale is a spatially varying quantity.

Original languageEnglish (US)
Pages (from-to)2676-2680
Number of pages5
JournalJournal of Chemical Physics
Volume115
Issue number6
DOIs
StatePublished - Aug 8 2001

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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