Dynamics of the blue shift of e tr− optical absorption spectra in ethanol–water glasses

The results of the pulse radiolysis study of ethanol containing water in the concentration range 0.8–20.56 mol% at temperatures ranging between 30 and 95 K are reported. In the presence of water, starting from ca. 3 ms after the pulse, the acceleration of the blue shift of the maximum of trapped ele...

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Bibliographic Details
Published inRadiation physics and chemistry (Oxford, England : 1993) Vol. 64; no. 3; pp. 197 - 201
Main Authors Suwalski, Jan P, Kroh, Jerzy
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 2002
Subjects
Blue shift
Ethanol
Ethanol–water mixture
Trapped electrons
Blue shift
Ethanol
Trapped electrons
Ethanol–water mixture
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Summary:The results of the pulse radiolysis study of ethanol containing water in the concentration range 0.8–20.56 mol% at temperatures ranging between 30 and 95 K are reported. In the presence of water, starting from ca. 3 ms after the pulse, the acceleration of the blue shift of the maximum of trapped electron spectrum takes place. It is suggested that this phenomenon, occurring at the lowest investigated temperatures (30, 50 K) is due to the structural changes in the EtOH–H 2O system.
ISSN:0969-806X
1879-0895
DOI:10.1016/S0969-806X(01)00496-0