Simple fabrication of asymmetric high-aspect-ratio polymer nanopillars by reusable AAO templates

Moon Kee Choi; Hyunsik Yoon; Kyunghee Lee; Kyusoon Shin

doi:10.1021/la104839a

Simple fabrication of asymmetric high-aspect-ratio polymer nanopillars by reusable AAO templates

Moon Kee Choi, Hyunsik Yoon, Kyunghee Lee, Kyusoon Shin

Dept. of Chemical and Biomolecular Engineering

Seoul National University

Research output: Contribution to journal › Article › peer-review

61 Scopus citations

Abstract

We present a simple method of utilizing anodized aluminum oxide (AAO) as a reproducible template for fabricating high-aspect-ratio uniformly bent polymeric nanopillars that can be used as a physical adhesive. It is shown how to achieve straight high-aspect-ratio nanopillars with concepts of the work of adhesion and lateral collapse between polymer pillars without serious damage to the master template. With the support of manufacturing polymeric nanopillars from the reusable AAO, a simple route to asymmetric dry adhesive nanopillars bent by residual stresses was demonstrated.

Original language	English
Pages (from-to)	2132-2137
Number of pages	6
Journal	Langmuir
Volume	27
Issue number	6
DOIs	https://doi.org/10.1021/la104839a
State	Published - 15 Mar 2011

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abstract = "We present a simple method of utilizing anodized aluminum oxide (AAO) as a reproducible template for fabricating high-aspect-ratio uniformly bent polymeric nanopillars that can be used as a physical adhesive. It is shown how to achieve straight high-aspect-ratio nanopillars with concepts of the work of adhesion and lateral collapse between polymer pillars without serious damage to the master template. With the support of manufacturing polymeric nanopillars from the reusable AAO, a simple route to asymmetric dry adhesive nanopillars bent by residual stresses was demonstrated.",

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Y1 - 2011/3/15

N2 - We present a simple method of utilizing anodized aluminum oxide (AAO) as a reproducible template for fabricating high-aspect-ratio uniformly bent polymeric nanopillars that can be used as a physical adhesive. It is shown how to achieve straight high-aspect-ratio nanopillars with concepts of the work of adhesion and lateral collapse between polymer pillars without serious damage to the master template. With the support of manufacturing polymeric nanopillars from the reusable AAO, a simple route to asymmetric dry adhesive nanopillars bent by residual stresses was demonstrated.

AB - We present a simple method of utilizing anodized aluminum oxide (AAO) as a reproducible template for fabricating high-aspect-ratio uniformly bent polymeric nanopillars that can be used as a physical adhesive. It is shown how to achieve straight high-aspect-ratio nanopillars with concepts of the work of adhesion and lateral collapse between polymer pillars without serious damage to the master template. With the support of manufacturing polymeric nanopillars from the reusable AAO, a simple route to asymmetric dry adhesive nanopillars bent by residual stresses was demonstrated.

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Simple fabrication of asymmetric high-aspect-ratio polymer nanopillars by reusable AAO templates

Abstract

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