Anisotropic wetting and superhydrophobicity on holographically featured 3D nanostructured surfaces

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Holographically featured SU-8 polymer surfaces exhibited anisotropic wetting by water droplets, due to liquid pinning at the edges of the top rods in 3D woodpile structures. Square nanopillar array surfaces (tip size, 30 nm) resulting from SF6 plasma treatment showed ultrahydrophobicity, with advancing and receding contact angles of 170 degrees.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2012-03
Language
English
Article Type
Article
Keywords

WOODPILE PHOTONIC CRYSTALS; DESERT BEETLE; LIQUID; LITHOGRAPHY; WETTABILITY; FABRICATION; EXPOSURE; ROUTE

Citation

SOFT MATTER, v.8, no.17, pp.4567 - 4570

ISSN
1744-683X
DOI
10.1039/c2sm07406k
URI
http://hdl.handle.net/10203/101722
Appears in Collection
CBE-Journal Papers(저널논문)
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