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Surface-enhanced Raman scattering of water in ethanol: Electrolytic concentration dependence

✍ Scribed by Myoung-Youn Kwon; Jong-Jean Kim

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
380 KB
Volume
169
Category
Article
ISSN
0009-2614

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✦ Synopsis

With water in ethanol, we can observe surface-enhanced Raman scattering (SERS) of water molecules at electrolytic concentrattons as low as 0.02 M; in the pure-water SERS systems without ethanol, however, electrolytic concentrations higher than I M are required to observe SERS of water molecules. Ethanol seems to be very effective in breaking the hydrogen-bonding network of water, and the freed water molecules are better adsorbed at the electrode surface in the form of hydration shells around the electrolytic ions

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