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ELSEVIER Journalof MolecularLiquids64 (1995) 161 -195 MOLECU-I_AR
 

Summary: ELSEVIER Journalof MolecularLiquids64 (1995) 161 - 195
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MOLECU-I_AR
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Salt Effect on Transient Proton Transfer to Solvent and
Microscopic Proton Mobility
Noam Agmon
Department of Physical Chemistry and the Fritz Haber Research Center,
The Hebrew University, Jerusalem 91904, Israel
Sinay Y. Goldberg and Dan Huppert
School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences,
Tel-Aviv University, Ramat-Aviv, Tel-Aviv 69978, Israel
Received21 March 1995;accepted5 July 1995
ABSTRACT
The effect of an inert salt on the time-resolved fluorescence from ex-
cited hydroxypyrene-trisulfonateis measured and compared quantitatively
to the solution of the transient Smoluchowski equation for proton diffusion-
reversible recombination in the excited-state. The data in water can be
explained by the screening and mobility-diminishingeffects of the added
salt. In methanol-water mixtures we observe additionally an enhancement

  

Source: Agmon, Noam - Institute of Chemistry, Hebrew University of Jerusalem

 

Collections: Chemistry