Dielectric properties of oil-water complexes using terahertz transmission spectroscopy

Gorenflo, Stefan and Tauer, U. and Hinkov, I. and Lambrecht, A. and Buchner, Richard and Helm, H. (2006) Dielectric properties of oil-water complexes using terahertz transmission spectroscopy. CHEMICAL PHYSICS LETTERS, 421 (4-6). pp. 494-498. ISSN 0009-2614,

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Abstract

Terahertz time-domain spectroscopy (THz-TDS) is used to investigate the water content in synthetic oils. For this purpose, water was added to polyglycol oils, which are able to dissolve a certain percentage of water. Applying THz-TDS, changes in the absorption coefficient and refractive index are observed and characterized. Comparison of the experimental data with predictions based on Beer-Lambert and Lorentz-Lorenz-theory, respectively, exhibits excellent agreement and clearly indicates that water is not dissolved in form of clusters but rather via hydrogen-bonded oil-water complexes. (c) 2006 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: TIME-DOMAIN SPECTROSCOPY;
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner
Depositing User: Dr. Gernot Deinzer
Date Deposited: 16 Feb 2021 07:18
Last Modified: 16 Feb 2021 07:18
URI: https://pred.uni-regensburg.de/id/eprint/34661

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