| Autor: |
Scodinu, A., Fourkas, J. T. |
| Zdroj: |
The Journal of Physical Chemistry - Part B; October 2002, Vol. 106 Issue: 40 p10292-10295, 4p |
| Abstrakt: |
The collective orientational dynamics of water confined in hydrophilic and hydrophobic nanopores have been studied using ultrafast optical Kerr effect spectroscopy. In both types of pores the dynamics depend on pore size and are significantly slower than in the bulk liquid. The slowest dynamics are attributed to molecules at the pore surfaces and are faster in hydrophobic pores than in hydrophilic pores. The dynamics of molecules in the centers of the pores are also inhibited as compared to the bulk liquid but are not influenced by the nature of the pore surfaces. These results suggest that the chemical nature of a solid/water interface affects the structural and dynamic properties of water over only a very short distance. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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