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Jeong, Hoon Eui
Multiscale Biomimetics & Manufacturing Lab
Research Interests
  • Biomimetics
  • Multiscale manufacturing
  • Micro/nanofabrication

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Bio-inspired slanted polymer nanohairs for anisotropic wetting and directional dry adhesion

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Title
Bio-inspired slanted polymer nanohairs for anisotropic wetting and directional dry adhesion
Author
Kwak, Moon KyuJeong, Hoon EuiKim, Tae-IlYoon, HyunsikSuh, Kahp Y.
Keywords
Anisotropic wetting; Bio-inspired; Dry adhesion; Fabrication method; Functional surfaces; Future directions; High aspect ratio; Mechanical compression; Nanofabrication; Post treatment; Potential applications; Recent progress; Replica molding; Thermal-annealing; Two-stream
Issue Date
2010-05
Publisher
ROYAL SOC CHEMISTRY
Citation
SOFT MATTER, v.6, no.9, pp.1849 - 1857
Abstract
Slanted polymer nanohairs possess a number of attractive properties in terms of anisotropic wetting and directional adhesion. This highlight provides an overview of the recent progress in the development of bio-inspired slanted polymer nanohairs and their applications towards anisotropic wetting and directional dry adhesion properties. With the advanced nano-fabrication techniques, it is possible to fabricate angled, directionally bent polymer nanohairs in a highly reproducible and geometry-controllable manner. The fabrication methods can be categorized into two streams: direct replica molding from a master with slanted structure or nanofabrication (photolithography or molding) with post treatment such as e-beam exposure, thermal annealing and mechanical compression. In this highlight, the fabrication methods for angled, high aspect ratio polymer nanohairs are briefly described along with their potential applications in anisotropic wetting and directional adhesion. Particular emphasis is given to recent achievements and future directions in biomimetic functional surfaces.
URI
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DOI
10.1039/b924056j
ISSN
1744-683X
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