Ultrafast solvent dynamics: Connection between time resolved fluorescence and optical Kerr measurements

Minhaeng Cho, Sandra J. Rosenthal, Norbert F. Scherer, Lawrence D. Ziegler, Graham R. Fleming

Research output: Contribution to journalArticle

201 Citations (Scopus)

Abstract

The vibrational characteristics of liquid dynamics are used to describe the ultrafast relaxations observed in time-dependent fluorescence Stokes shift [J. Chem. Phys. 95, 4715 (1991)] and heterodyne detected optical Kerr effect measurements on acetonitrile, via a Brownian oscillator model. Introducing a frequency distribution of vibrational modes makes it possible to compare the two experiments. The ultrafast decays observed in the fluorescence Stokes shift and optical Kerr signals are produced by destructive superposition of the high frequency, underdamped modes.

Original languageEnglish
Pages (from-to)5033-5038
Number of pages6
JournalThe Journal of Chemical Physics
Volume96
Issue number7
Publication statusPublished - 1992 Dec 1
Externally publishedYes

Fingerprint

Fluorescence
Optical Kerr effect
fluorescence
shift
frequency distribution
Kerr effects
acetonitrile
vibration mode
oscillators
Liquids
decay
liquids
Experiments

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Cho, M., Rosenthal, S. J., Scherer, N. F., Ziegler, L. D., & Fleming, G. R. (1992). Ultrafast solvent dynamics: Connection between time resolved fluorescence and optical Kerr measurements. The Journal of Chemical Physics, 96(7), 5033-5038.

Ultrafast solvent dynamics : Connection between time resolved fluorescence and optical Kerr measurements. / Cho, Minhaeng; Rosenthal, Sandra J.; Scherer, Norbert F.; Ziegler, Lawrence D.; Fleming, Graham R.

In: The Journal of Chemical Physics, Vol. 96, No. 7, 01.12.1992, p. 5033-5038.

Research output: Contribution to journalArticle

Cho, M, Rosenthal, SJ, Scherer, NF, Ziegler, LD & Fleming, GR 1992, 'Ultrafast solvent dynamics: Connection between time resolved fluorescence and optical Kerr measurements', The Journal of Chemical Physics, vol. 96, no. 7, pp. 5033-5038.
Cho, Minhaeng ; Rosenthal, Sandra J. ; Scherer, Norbert F. ; Ziegler, Lawrence D. ; Fleming, Graham R. / Ultrafast solvent dynamics : Connection between time resolved fluorescence and optical Kerr measurements. In: The Journal of Chemical Physics. 1992 ; Vol. 96, No. 7. pp. 5033-5038.
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