Abstract
A molecular dynamics study of the depletion of water (drying) around a single and between two hydrophobic nanoscale oblate plates in explicit water as a function of the distance of separation between them, their size, and the strength of the attraction between the plates and the water molecules is presented. A simple macroscopic thermodynamic model based on Young's law successfully predicts drying between the stacked plates and accounts for the free-energy barriers to this drying. However, because drying around a single plate is not macroscopic, a molecular theory is required to describe it. The data are consistent with the rate-determining step in the hydrophobic collapse of the two plates being a large-scale drying fluctuation, characterized by a free-energy barrier that grows with particle size.
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Dates
Type | When |
---|---|
Created | 21 years, 10 months ago (Oct. 14, 2003, 3:05 p.m.) |
Deposited | 3 years, 4 months ago (April 13, 2022, 6:24 a.m.) |
Indexed | 2 months, 2 weeks ago (June 5, 2025, 7:24 p.m.) |
Issued | 21 years, 10 months ago (Sept. 24, 2003) |
Published | 21 years, 10 months ago (Sept. 24, 2003) |
Published Online | 21 years, 10 months ago (Sept. 24, 2003) |
Published Print | 21 years, 10 months ago (Oct. 14, 2003) |
@article{Huang_2003, title={Dewetting-induced collapse of hydrophobic particles}, volume={100}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.1934837100}, DOI={10.1073/pnas.1934837100}, number={21}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Huang, X. and Margulis, C. J. and Berne, B. J.}, year={2003}, month=sep, pages={11953–11958} }