www.nanopicoftheday.org
July 9, 2004
Superhydrophobic Surface
Source: Lei Zhai
References:
"Stable Superhydrophobic Coatings from Polyelectrolyte
Multilayers" Lei Zhan, Fevzi
Ç. Cebeci, Robert E. Cohen, and Michael F. Rubner.
Nano Lett.; 2004; 4(7) pp 1349 - 1353
Description:
The present study demonstrates that the superhydrophobic behavior of the
lotus leaf structure can be mimicked by creating a honeycomb-like
polyelectrolyte multilayer surface overcoated with silica nanoparticles.
Superhydrophobicity was achieved by coating this highly textured multilayer
surface with a semifluorinated silane. The surface maintains its
superhydrophobic character even after extended immersion in water.
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