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@ARTICLE{Yang:2771,
author = {Yang, C. and Tartaglino, U. and Persson, B. N. J.},
title = {{N}anodroplets on rough hydrophilic and hydrophobic
surfaces},
journal = {The European physical journal / E},
volume = {25},
issn = {1292-8941},
address = {Berlin},
publisher = {Springer},
reportid = {PreJuSER-2771},
pages = {139 - 152},
year = {2008},
note = {Record converted from VDB: 12.11.2012},
abstract = {We present results of Molecular Dynamics (MD) calculations
on the behavior of liquid nanodroplets on rough hydrophobic
and hydrophilic solid surfaces. On hydrophobic surfaces, the
contact angle for nanodroplets depends strongly on the
root-mean-square roughness amplitude, but it is nearly
independent of the fractal dimension of the surface. Since
increasing the fractal dimension increases the
short-wavelength roughness, while the long-wavelength
roughness is almost unchanged, we conclude that for
hydrophobic interactions the short-wavelength (atomistic)
roughness is not very important. We show that the
nanodroplet is in a Cassie-like state. For rough hydrophobic
surfaces, there is no contact angle hysteresis due to strong
thermal fluctuations, which occur at the liquid-solid
interface on the nanoscale. On hydrophilic surfaces,
however, there is strong contact angle hysteresis due to
higher energy barrier. These findings may be very important
for the development of artificially biomimetic
superhydrophobic surfaces.},
keywords = {Biomimetics / Biophysics: methods / Computer Simulation /
Equipment Design / Fractals / Models, Statistical / Models,
Theoretical / Nanoparticles: chemistry / Nanotechnology:
methods / Probability / Surface Properties / Wettability / J
(WoSType)},
cin = {IFF-1},
ddc = {530},
cid = {I:(DE-Juel1)VDB781},
pnm = {Kondensierte Materie},
pid = {G:(DE-Juel1)FUEK414},
shelfmark = {Chemistry, Physical / Materials Science, Multidisciplinary
/ Physics, Applied / Polymer Science},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:18311474},
UT = {WOS:000254406200003},
doi = {10.1140/epje/i2007-10271-7},
url = {https://juser.fz-juelich.de/record/2771},
}