Dielectric friction and chemical dynamics in solution

Peggy A. Thompson; John Douglas Simon; Monica A. Desai; William R. Good; Celeste D. Silvers; Richard S. Moog

doi:10.1117/12.17887

1 April 1990 Dielectric friction and chemical dynamics in solution

Peggy A. Thompson, John Douglas Simon, Monica A. Desai, William R. Good, Celeste D. Silvers, Richard S. Moog

Proceedings Volume 1209, Picosecond and Femtosecond Spectroscopy from Laboratory to Real World; (1990) https://doi.org/10.1117/12.17887
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

The role of dielectric friction in solvation dynamics and rotational motion is examined. Using the connection between solvatiOn dynamics and time dependent dielectric friction developed by van der Zwan and Hynes, it is demonstrated that solvation times determined from time dependent fluorescence studies can be used to accurately gauge dielectric friction contributions to the rotational diffusion of an oxazine dye in alcohol solutions. The generality of these conclusions requires that additional probe molecules, spanning a large range of permanent dipole moments, be studied. A series of amino substituted fluorenones are shown to be an excellent choice of molecules for such studies.

Citation Download Citation

Peggy A. Thompson, John Douglas Simon, Monica A. Desai, William R. Good, Celeste D. Silvers, and Richard S. Moog "Dielectric friction and chemical dynamics in solution", Proc. SPIE 1209, Picosecond and Femtosecond Spectroscopy from Laboratory to Real World, (1 April 1990); https://doi.org/10.1117/12.17887

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