Observation of heterogeneity in the nanosecond dynamics of a liquid

M. Yang; Ranko Richert

doi:10.1063/1.1380206

Observation of heterogeneity in the nanosecond dynamics of a liquid

M. Yang, Ranko Richert

Molecular Sciences, School of (SMS)

Research output: Contribution to journal › Article › peer-review

30 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 σ_inh(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 language	English (US)
Pages (from-to)	2676-2680
Number of pages	5
Journal	Journal of Chemical Physics
Volume	115
Issue number	6
DOIs	https://doi.org/10.1063/1.1380206
State	Published - Aug 8 2001

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1063/1.1380206

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title = "Observation of heterogeneity in the nanosecond dynamics of a liquid",

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.",

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AU - Richert, Ranko

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AB - 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.

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Observation of heterogeneity in the nanosecond dynamics of a liquid

Abstract

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