Roughness-induced non-wetting (original) (raw)
2000 EDP Sciences
Europhysics Letters,Volume 52,Number 2Citation S. Herminghaus 2000 EPL 52 165DOI 10.1209/epl/i2000-00418-8
This article is corrected by 2007 EPL 79 59901
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Dates
- Received 13 December 1999
- Accepted 31 August 2000
0295-5075/52/2/165
Abstract
It is shown that a certain class of self-affine profiles of surface roughness may render any substrate with a non-zero microscopic contact angle non-wet, i.e., give it a macroscopic contact angle close to 180 degrees. This is in some contrast to previous work and not only of potential applicational interest, but may also contribute to the amazing water repellency of some plant leaves.
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