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Proceedings Paper

Raman spectroscopy studies of the OH stretching band of aqueous solutions of short poly(oxyethyelene) C2E2C2
Author(s): A. Rupenyan; K. Gyamchev; Mircho Georgiev; N. Goutev; Zh. Nickolov; Georgy K. Georgiev; H. Matsuura
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Paper Abstract

Previous studies of OH stretching band of aqueous solutions of short poly(oxyethylene)s POEs showed similarities between ratios R of the intensities of the component around 3200 cm-1 (the collective in-phase OH stretching vibrations of hydrogen-bonded aggregates) and the component around 3400 cm-1 (the out of phase OH stretches) in dependence on type and concentration of dissolved POEs. According to previous studies on C1EnE1 (n=1-4) the intensity ratio R is characterized with two minima. We observed the same behavior in the case of C2E2C2. In addition the perfect match of the spectra of C2E2C2 and those of C1EnE1 (n=1-4) at different concentration showed that the water structure is influenced in a similar way in the case of C2E2C2 and of C1EnC1.

Paper Details

Date Published: 22 April 2005
PDF: 5 pages
Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); doi: 10.1117/12.618801
Show Author Affiliations
A. Rupenyan, Sofia Univ. (Bulgaria)
K. Gyamchev, Sofia Univ. (Bulgaria)
Mircho Georgiev, Sofia Univ. (Bulgaria)
N. Goutev, National Institute of Advanced Industrial Science and Technology (Japan)
Zh. Nickolov, Univ. of Utah (United States)
Georgy K. Georgiev, Sofia Univ. (Bulgaria)
H. Matsuura, Hiroshima Univ. (Japan)


Published in SPIE Proceedings Vol. 5830:
13th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Sanka V. Gateva; Lachezar A. Avramov; Alexander A. Serafetinides, Editor(s)

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