Title: Hydrodynamic boundary condition of water on hydrophobic surfaces
Authors: Schaeffel, David Schaeffel
Yordanov, Stoyan
Schmelzeisen, Marcus
Yamamoto, Tetsuya
Kappl, Michael
Schmitz, Roman
Dünweg, Burkhard
Butt, Hans-Jürgen ×
Koynov, Kaloian #
Issue Date: 10-May-2013
Publisher: Published by the American Physical Society through the American Institute of Physics
Series Title: Physical Review E, Statistical, Nonlinear and Soft Matter Physics vol:87 issue:5 pages:0510011-0510014
Abstract: By combining total internal reflection fluorescence cross-correlation spectroscopy with Brownian dynamics simulations, we were able to measure the hydrodynamic boundary condition of water flowing over a smooth solid surface with exceptional accuracy. We analyzed the flow of aqueous electrolytes over glass coated with a layer of poly(dimethylsiloxane) (advancing contact angle Θ = 108°) or perfluorosilane (Θ = 113°). Within an error of better than 10 nm the slip length was indistinguishable from zero on all surfaces.
ISSN: 1539-3755
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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