Bioinspired Holographically Featured Superhydrophobic and Supersticky Nanostructured Materials

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In this Letter, we present an intriguing Method for fabricating polymeric superhydrophobic surfaces by reactive-ion etching of holographically featured three-dimensional structures. Using the proposed strategy, we generated both lotus and gecko surfaces by Simply Controlling the incident angle of the laser beam during holographic lithography. The adhesion force of the gecko-state superhydrophobic surfaces was the highest yet reported for an artificial superhydrophobic surface. The well-controlled patterns enable an in-depth understanding of superhydrophobic and superadhesive surfaces. fit particular, the present observations provide direct evidence of a high adhesive force resulting from surface-localized wetting, which is quite different from previously suggested mechanisms.
Publisher
AMER CHEMICAL SOC
Issue Date
2010-02
Language
English
Article Type
Article
Keywords

GECKO FOOT-HAIR; PHOTONIC CRYSTALS; INTERFERENCE LITHOGRAPHY; HYDROPHOBIC SURFACES; ADHESIVE FORCE; NANOTUBE FILMS; LENGTH SCALES; LOTUS; WETTABILITY; FABRICATION

Citation

LANGMUIR, v.26, no.3, pp.1468 - 1472

ISSN
0743-7463
DOI
10.1021/la9035826
URI
http://hdl.handle.net/10203/100055
Appears in Collection
CBE-Journal Papers(저널논문)
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