2009年2月
Quasielastic neutron scattering investigation of motion of water molecules in n-propyl alcohol-water mixture
JOURNAL OF CHEMICAL PHYSICS
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- ,
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- 巻
- 130
- 号
- 7
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1063/1.3073881
- 出版者・発行元
- AMER INST PHYSICS
The dynamics of water molecules in the n-propyl alcohol-water mixtures is investigated by using quasielastic neutron scattering measurements. The dynamic structure factor S(Q,E) obtained from incoherent scattering of hydrogen atoms of water is fitted with jump diffusion and relaxing cage models. The diffusion constant obtained from the relaxing cage model, which gives better fitting with S(Q,E), shows better agreement to the experimental value than that of jump diffusion model. The dependence of translational relaxation time tau(T)(Q) and stretched exponent beta(T)(Q) on the fraction of hydrophobic hydrating water molecules in the solution is discussed.
- リンク情報
- ID情報
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- DOI : 10.1063/1.3073881
- ISSN : 0021-9606
- Web of Science ID : WOS:000263599300022