Bulletin of the American Physical Society
APS March Meeting 2011
Volume 56, Number 1
Monday–Friday, March 21–25, 2011; Dallas, Texas
Abstract: C1.00040 : Fabricating Stable Superhydrophobic Hierarchical Polyelectrolyte Multilayer Films by Layer-by-Layer Assembly and Nanolithography
Author:
Recent experiment shows that wetting can be controlled by not
only the
chemical nature but geometrical structure of the surface also.
Even for a
hydrophilic surface, it can transit into hydrophobic one when
manipulating
the roughness of surface. It is also of interest to determine if
superhydrophobic surfaces can be created from hydrophilic
multilayer films
because multilayer is easy to be coated on any place by
layer-by-layer
assembly. Here, we used water-soluble polycations, PAH
(poly(allylamine)),
and polyions, SPS (sodium poly(styrene sulfonate)), to form
polyelectrolyte
multilayers. By nanoimprint lithography and in-situ growth of
inorganic
patterns in between these polyelectrolyte multilayers, we can
include some
micro-sized and nano-sized structures for different generations.
When
controlled introducing micro-sized and nano-sized hierarchical
structures
into multilayers, we can learn how the surface roughness increasing
superhydrophobic properties from geometry view fundamentally.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.C1.40
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