Solvation dynamics at the water/mica interface as studied by time-resolved fluorescence spectroscopy

Tomohisa Yamashita; Yousuke Amino; Akira Yamaguchi; Norio Teramae

doi:10.1246/cl.2005.988

Solvation dynamics at the water/mica interface as studied by time-resolved fluorescence spectroscopy

Tomohisa Yamashita, Yousuke Amino, Akira Yamaguchi, Norio Teramae

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

10 Citations (Scopus)

Abstract

Solvation dynamics at the water/mica interface was investigated by time-resolved fluorescence spectroscopy. Time-resolved fluorescence spectra of a coumarin dye immobilized on the mica surface show dynamic Stokes shifts with several hundreds picosecond time scale. Solvent relaxation time observed at the water/mica interface was remarkably longer than that observed in a bulk solution, suggesting existence of a rigid water layer on the mica surface, that is, hydrogen-bonding network is strongly formed at the mica surface.

Original language	English
Pages (from-to)	988-989
Number of pages	2
Journal	Chemistry Letters
Volume	34
Issue number	7
DOIs	https://doi.org/10.1246/cl.2005.988
Publication status	Published - 2005 Jul 5

ASJC Scopus subject areas

Chemistry(all)

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10.1246/cl.2005.988

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abstract = "Solvation dynamics at the water/mica interface was investigated by time-resolved fluorescence spectroscopy. Time-resolved fluorescence spectra of a coumarin dye immobilized on the mica surface show dynamic Stokes shifts with several hundreds picosecond time scale. Solvent relaxation time observed at the water/mica interface was remarkably longer than that observed in a bulk solution, suggesting existence of a rigid water layer on the mica surface, that is, hydrogen-bonding network is strongly formed at the mica surface.",

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AU - Yamaguchi, Akira

AU - Teramae, Norio

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AB - Solvation dynamics at the water/mica interface was investigated by time-resolved fluorescence spectroscopy. Time-resolved fluorescence spectra of a coumarin dye immobilized on the mica surface show dynamic Stokes shifts with several hundreds picosecond time scale. Solvent relaxation time observed at the water/mica interface was remarkably longer than that observed in a bulk solution, suggesting existence of a rigid water layer on the mica surface, that is, hydrogen-bonding network is strongly formed at the mica surface.

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