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Robust Airlike Superhydrophobic Surfaces
Author(s) -
Shieh Jiann,
Hou Fu Ju,
Chen Yan Chen,
Chen Hung Min,
Yang Shun Po,
Cheng Chao Chia,
Chen Hsuen Li
Publication year - 2010
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200901864
Subject(s) - materials science , nanotechnology , polymer science
A two‐tier nanostructure comprising a 20‐nm‐diameter “nanograss” on 100‐nm‐diameter nanopillars exhibits robust and near‐perfect superhydrophobicity, that is, water contact angles close to 180° and sliding angles close to 0°. Although the solid fraction was very low (∼0.02%), this surface could support a drop of water under a pressure of 234 Pa.
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