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Issue 3, 2009
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UV-assisted capillary force lithography for engineering biomimetic multiscale hierarchical structures: From lotus leaf to gecko foot hairs

Hoon Eui Jeong,a   Rhokyun Kwak,a   Ali Khademhosseinibc  and  Kahp Y. Suh*ad  
Author affiliations

* Corresponding authors

a School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, Korea
E-mail: sky4u@snu.ac.kr

b Center for Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 021158, USA

c Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA

d World Class University Program on Multiscale Mechanical Design, Seoul National University, Seoul 151-742, Korea

Abstract

This feature article provides an overview of the recently developed two-step UV-assisted capillary force lithography and its application to fabricating well-defined micro/nanoscale hierarchical structures. This method utilizes an oxygen inhibition effect in the course of UV irradiation curing and a two-step moulding process, to form multiscale hierarchical or suspended nanobridge structures in a rapid and reproducible manner. After a brief description of the fabrication principles, several examples of the two-step UV-assisted moulding technique are presented. In addition, emerging applications of the multiscale hierarchical structures are briefly described.

Graphical abstract: UV-assisted capillary force lithography for engineering biomimetic multiscale hierarchical structures: From lotus leaf to gecko foot hairs

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Article information

Submitted
09 Jun 2009
Accepted
24 Aug 2009
First published
01 Oct 2009
Nanoscale, 2009,1, 331-338
Article type
Feature Article
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UV-assisted capillary force lithography for engineering biomimetic multiscale hierarchical structures: From lotus leaf to gecko foot hairs

H. E. Jeong, R. Kwak, A. Khademhosseini and K. Y. Suh, Nanoscale, 2009, 1, 331
DOI: 10.1039/B9NR00106A

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