Harnessing localized ridges for high-aspect-ratio hierarchical patterns with dynamic tunability and multifunctionality
Date
2014
Authors
Cao, Changyong
Chan, Hon Fai
Zang, Jianfeng
Leong, Kam W.
Zhao, Xuanhe
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Wiley-VCH Verlag GMBH
Abstract
A simple method for fabricating high-aspect-ratio, hierarchical, and dynamically tunable surface patterns is invented by harnessing localized-ridge instabilities in gold nanofilms coated on elastomer substrates (a); a theoretical model to calculate the critical parameters (e.g., wavelength and amplitude) for designing the new patterns is developed (b); and novel applications of the patterns as super-hydrophobic coatings (c) and biomimetic cell-culture substrates (d) capable of on-demand tunability are demonstrated.
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Advanced Materials
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Journal article
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2037-12-31
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