Highly durable and unidirectionally stooped polymeric nanohairs for gecko-like dry adhesive
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- Title
- Highly durable and unidirectionally stooped polymeric nanohairs for gecko-like dry adhesive
- Author
- Im, Hyeon Seong; Kwon, Ki Yoon; Kim, Jong Uk; Kim, Kwang Su; Yi, Hoon; Yoo, Pil J.; Pang, Changhyun; Jeong, Hoon Eui; Kim, Tae-il
- Issue Date
- 2015-10
- Publisher
- IOP PUBLISHING LTD
- Citation
- NANOTECHNOLOGY, v.26, no.41, pp.415301
- Abstract
- Gecko-like dry adhesive using high aspect ratio polymeric nanohairs has insuperable limitations, although it has huge potential in many applications. Repeated harsh contacts on a target substrate lead to physical collapse of nanohairs and significant degradation of the adhesion property, because the polymeric nanohairs are quite fragile due to poor mechanical robustness. Herein, we demonstrate a highly robust gecko-like dry adhesive with unidirectionally stooped polymeric nanohairs (diameter 100 nm) with a high aspect ratio (similar to 9) using an ultrathin metal coating. 100 cycles of repeated adhesion tests with 1 N preloading force did not significantly degrade adhesion or cause collapse of nanohairs. We believe that this approach allows gecko-like dry adhesive to be utilized in many related applications and diverse industry interests
- URI
- https://scholarworks.unist.ac.kr/handle/201301/17823
- URL
- http://iopscience.iop.org/article/10.1088/0957-4484/26/41/415301/meta;jsessionid=159E5CC23B091ACF0A6CCF1FB1F1604D.c3.iopscience.cld.iop.org
- DOI
- 10.1088/0957-4484/26/41/415301
- ISSN
- 0957-4484
- Appears in Collections:
- MEN_Journal Papers
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