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

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25th Anniversary Article: Scalable Multiscale Patterned Structures Inspired by Nature: The Role of Hierarchy

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Title
25th Anniversary Article: Scalable Multiscale Patterned Structures Inspired by Nature: The Role of Hierarchy
Author
Bae, Won-GyuKim, Hong NamKim, DoogonPark, Suk-HeeJeong, Hoon EuiSuh, Kahp-Yang
Issue Date
2014-02
Publisher
WILEY-V C H VERLAG GMBH
Citation
ADVANCED MATERIALS, v.26, no.5, pp.675 - 699
Abstract
Multiscale, hierarchically patterned surfaces, such as lotus leaves, butterfly wings, adhesion pads of gecko lizards are abundantly found in nature, where microstructures are usually used to strengthen the mechanical stability while nanostructures offer the main functionality, i.e., wettability, structural color, or dry adhesion. To emulate such hierarchical structures in nature, multiscale, multilevel patterning has been extensively utilized for the last few decades towards various applications ranging from wetting control, structural colors, to tissue scaffolds. In this review, we highlight recent advances in scalable multiscale patterning to bring about improved functions that can even surpass those found in nature, with particular focus on the analogy between natural and synthetic architectures in terms of the role of different length scales. This review is organized into four sections. First, the role and importance of multiscale, hierarchical structures is described with four representative examples. Second, recent achievements in multiscale patterning are introduced with their strengths and weaknesses. Third, four application areas of wetting control, dry adhesives, selectively filtrating membranes, and multiscale tissue scaffolds are overviewed by stressing out how and why multiscale structures need to be incorporated to carry out their performances. Finally, we present future directions and challenges for scalable, multiscale patterned surfaces.
URI
https://scholarworks.unist.ac.kr/handle/201301/4087
URL
https://onlinelibrary.wiley.com/doi/abs/10.1002/adma.201303412
DOI
10.1002/adma.201303412
ISSN
0935-9648
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