Influence of Surface Roughness on Superhydrophobicity Export

@article{citeulike:1652845, abstract = {Superhydrophobic surfaces, with a liquid contact angle greater than 150\°, have important practical applications ranging from self-cleaning window glasses, paints, and fabrics to low-friction surfaces. Many biological surfaces, such as the lotus leaf, have a hierarchically structured surface roughness which is optimized for superhydrophobicity through natural selection. Here we present a molecular dynamics study of liquid droplets in contact with self-affine fractal surfaces. Our results indicate that the contact angle for nanodroplets depends strongly on the root-mean-square surface roughness amplitude but is nearly independent of the fractal dimension Df of the surface.}, author = {Yang, C. and Tartaglino, U. and Persson, B. N. J.}, citeulike-article-id = {1652845}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000097000011116103000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRL/v97/e116103}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevLett.97.116103}, doi = {10.1103/PhysRevLett.97.116103}, journal = {Physical Review Letters}, keywords = {contact-angle, fractal, roughness, simulation}, number = {11}, posted-at = {2009-02-12 09:15:43}, priority = {2}, publisher = {APS}, title = {Influence of Surface Roughness on Superhydrophobicity}, url = {http://dx.doi.org/10.1103/PhysRevLett.97.116103}, volume = {97}, year = {2006} }

TY - JOUR ID - citeulike:1652845 L3 - citeulike-article-id:1652845 N2 - Superhydrophobic surfaces, with a liquid contact angle greater than 150°, have important practical applications ranging from self-cleaning window glasses, paints, and fabrics to low-friction surfaces. Many biological surfaces, such as the lotus leaf, have a hierarchically structured surface roughness which is optimized for superhydrophobicity through natural selection. Here we present a molecular dynamics study of liquid droplets in contact with self-affine fractal surfaces. Our results indicate that the contact angle for nanodroplets depends strongly on the root-mean-square surface roughness amplitude but is nearly independent of the fractal dimension Df of the surface. IS - 11 JF - Physical Review Letters TI - Influence of Surface Roughness on Superhydrophobicity PB - APS VL - 97 KW - contact-angle KW - fractal KW - roughness KW - simulation AU - Yang, C AU - Tartaglino, U AU - Persson, BNJ PY - 2006/// UR - http://dx.doi.org/10.1103/PhysRevLett.97.116103 ER -