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Phys Rev Lett. 2003 Feb 28;90(8):086101. Epub 2003 Feb 27.

Water in contact with extended hydrophobic surfaces: direct evidence of weak dewetting.

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1
Materials Research Department, Risø National Laboratory, DK-4000 Roskilde, Denmark.

Abstract

X-ray reflectivity measurements reveal a significant dewetting of a large hydrophobic paraffin surface floating on water. The dewetting phenomenon extends less than 15 A into the bulk water phase and results in an integrated density deficit of about one water molecule per 25-30 A(2) of water in contact with the paraffin surface. The results are supported by molecular dynamics simulations and related to the hydrophobic effect.

PMID:
12633443
DOI:
10.1103/PhysRevLett.90.086101
[Indexed for MEDLINE]
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