Fast responses from "slowly relaxing" liquids: A comparative study of the femtosecond dynamics of triacetin, ethylene glycol, and water

Joon Chang Yong; Edward W. Castner

doi:10.1063/1.465710

Fast responses from "slowly relaxing" liquids: A comparative study of the femtosecond dynamics of triacetin, ethylene glycol, and water

Joon Chang Yong
, Edward W. Castner

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

118 Scopus citations

Abstract

We have measured the ultrafast solvent relaxation of liquid ethylene glycol, triacetin, and water by means of femtosecond polarization spectroscopy, using optical-heterodyne-detected Raman-induced Kerr-effect spectroscopy. In the viscous liquids triacetin and ethylene glycol, femtosecond relaxation processes were resolved. Not surprisingly, the femtosecond nonlinear optical response of ethylene glycol is quite similar to that of water. Using the theory of Maroncelli, Kumar, and Papazyan, we transform the pure-nuclear solvent response into a dipolar-solvation correlation function for comparison with ultrafast electron-transfer reaction rates.

Original language	English (US)
Pages (from-to)	7289-7299
Number of pages	11
Journal	The Journal of Chemical Physics
Volume	99
Issue number	10
DOIs	https://doi.org/10.1063/1.465710
State	Published - 1993
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1063/1.465710

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N2 - We have measured the ultrafast solvent relaxation of liquid ethylene glycol, triacetin, and water by means of femtosecond polarization spectroscopy, using optical-heterodyne-detected Raman-induced Kerr-effect spectroscopy. In the viscous liquids triacetin and ethylene glycol, femtosecond relaxation processes were resolved. Not surprisingly, the femtosecond nonlinear optical response of ethylene glycol is quite similar to that of water. Using the theory of Maroncelli, Kumar, and Papazyan, we transform the pure-nuclear solvent response into a dipolar-solvation correlation function for comparison with ultrafast electron-transfer reaction rates.

AB - We have measured the ultrafast solvent relaxation of liquid ethylene glycol, triacetin, and water by means of femtosecond polarization spectroscopy, using optical-heterodyne-detected Raman-induced Kerr-effect spectroscopy. In the viscous liquids triacetin and ethylene glycol, femtosecond relaxation processes were resolved. Not surprisingly, the femtosecond nonlinear optical response of ethylene glycol is quite similar to that of water. Using the theory of Maroncelli, Kumar, and Papazyan, we transform the pure-nuclear solvent response into a dipolar-solvation correlation function for comparison with ultrafast electron-transfer reaction rates.

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JF - The Journal of Chemical Physics

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Fast responses from "slowly relaxing" liquids: A comparative study of the femtosecond dynamics of triacetin, ethylene glycol, and water

Abstract

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