title: Preparation of superhydrophobic, long-neck vase-like polymer surfaces.
abstract: Polymer surfaces comprising nanopillars with various geometries were prepared by nanoimprinting the surface using anodic aluminium oxide templates. In particular, a simple fabrication method for long-neck vase-like stepped nanopillars was established, and the surface showed considerable enhancement in the water contact angle, for example from 95.7° to 150.6° for the polystyrene surface. This enhanced hydrophobicity could be explained by the desirable reduction in the area of the solid-liquid interface and reduced sticking between the nanopillars.
authors.affiliation: Department of Chemistry, Kookmin University, Seoul 136-702, South Korea.
authors.forename: Dajung
authors.initials: D
authors.lastname: Hong
authors.forename: Ilhwan
authors.initials: I
authors.lastname: Ryu
authors.forename: Hyemin
authors.initials: H
authors.lastname: Kwon
authors.forename: Jae-Joon
authors.initials: JJ
authors.lastname: Lee
authors.forename: Sanggyu
authors.initials: S
authors.lastname: Yim