Picosecond infrared dynamics of electron trapping in polar liquids

D. Huppert; G. A. Kenney-Wallace; P. M. Rentzepis

doi:10.1063/1.442287

Picosecond infrared dynamics of electron trapping in polar liquids

D. Huppert^*
, G. A. Kenney-Wallace
, P. M. Rentzepis

^*Corresponding author for this work

School of Chemistry

University of Toronto
Lucent

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

31 Scopus citations

Abstract

We report new data on the formation and decay of the infrared absorbing, trapped electron (e_i^-) formed during the picosecond laser photoionization of TMPD in ethanol, propanol, butanol, and decanol at 295 K. The transient absorption at 1300 nm, formed ≤3 ps, appears to decay on a time scale comparable to the picosecond formation time of the visible absorbing, solvated electron (e_x) in each alcohol. There is no discernible delay between the loss of e, and the initial appearance of e_x. The results are discussed in the context of current models of electron solvation.

Original language	English
Pages (from-to)	2265-2269
Number of pages	5
Journal	The Journal of Chemical Physics
Volume	75
Issue number	5
DOIs	https://doi.org/10.1063/1.442287
State	Published - 1981

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abstract = "We report new data on the formation and decay of the infrared absorbing, trapped electron (ei-) formed during the picosecond laser photoionization of TMPD in ethanol, propanol, butanol, and decanol at 295 K. The transient absorption at 1300 nm, formed ≤3 ps, appears to decay on a time scale comparable to the picosecond formation time of the visible absorbing, solvated electron (ex) in each alcohol. There is no discernible delay between the loss of e, and the initial appearance of ex. The results are discussed in the context of current models of electron solvation.",

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AB - We report new data on the formation and decay of the infrared absorbing, trapped electron (ei-) formed during the picosecond laser photoionization of TMPD in ethanol, propanol, butanol, and decanol at 295 K. The transient absorption at 1300 nm, formed ≤3 ps, appears to decay on a time scale comparable to the picosecond formation time of the visible absorbing, solvated electron (ex) in each alcohol. There is no discernible delay between the loss of e, and the initial appearance of ex. The results are discussed in the context of current models of electron solvation.

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Picosecond infrared dynamics of electron trapping in polar liquids

Abstract

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