Nanotextured and polytetrafluoroethylene-coated superhydrophobic surface

Title
Nanotextured and polytetrafluoroethylene-coated superhydrophobic surface
Authors
Dongin LeeSung-Bo SeoDong-Young KimHwa-Min KimChanseob ChoJonghyun LeeSooyeon Lim김진석Byeungleul LeeBonghwan Kim
Keywords
superhydrophobicity; nanosized structure; metal mesh; polytetrafluoroethylene; contact angle
Issue Date
2013-11
Publisher
Thin solid films
Citation
VOL 547, 111-115
Abstract
We produced a superhydrophobic surface by reactive ion etching and polytetrafluoroethylene coating of a silicon substrate. SF6/O2 and a metal mesh were used for the etching, which produced pyramidal nanostructures on the substrate. The sputtering of the polytetrafluoroethylene thin film over the nanotextured substrate created a superhydrophobic surface with a water contact angle greater than 150°, which was maintained for 7 weeks. The fluorinated polymer also exhibited hydrophobicity properties.
URI
http://pubs.kist.re.kr/handle/201004/46637
ISSN
00406090
Appears in Collections:
KIST Publication > Article
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