Hydrogen bonding in aqueous ethanol solutions studied by Raman spectroscopy

Tatiana Dolenko; Sergey Burikov; Masashi Hojo; Svetlana Patsaeva; Victor Yuzhakov

doi:10.1117/12.871101

24 November 2010 Hydrogen bonding in aqueous ethanol solutions studied by Raman spectroscopy

Tatiana Dolenko, Sergey Burikov, Masashi Hojo, Svetlana Patsaeva, Victor Yuzhakov

Proceedings Volume 7376, Laser Applications in Life Sciences; 73761B (2010) https://doi.org/10.1117/12.871101
Event: Laser Applications in Life Sciences 2010, 2010, Oulu, Finland

Abstract

The results of Raman spectroscopy research of aqueous ethanol solutions with various mixing ratios are presented. The analysis of the behavior of Raman spectra with changes in ethanol concentration from 0 to pure ethanol is given. The analysis of contour of stretching OH-band provided information about changes in hydrogen bonding along with increases in ethanol concentration. Obtained results showed that the maximum strength of H-bonding in aqueous ethanol solution corresponded to an ethanol concentration of 15...20 % w/w. The observed strengthening of H-bonding strongly supports the hypothesis of clathrate-like structures. These results were supported by application of MCR-ALS method.

Citation Download Citation

Tatiana Dolenko, Sergey Burikov, Masashi Hojo, Svetlana Patsaeva, and Victor Yuzhakov "Hydrogen bonding in aqueous ethanol solutions studied by Raman spectroscopy", Proc. SPIE 7376, Laser Applications in Life Sciences, 73761B (24 November 2010); https://doi.org/10.1117/12.871101

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