ACS Nano, volume 11, issue 8, pages 7821-7828
Flexible and Robust Superomniphobic Surfaces Created by Localized Photofluidization of Azopolymer Pillars
1
Department
of Chemical and Biomolecular Engineering, ‡Materials Science and Engineering, and §KAIST Institute
for the Nanocentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, South Korea
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Publication type: Journal Article
Publication date: 2017-07-19
General Physics and Astronomy
General Materials Science
General Engineering
Abstract
Springtails, insects which breathe through their skins, possess mushroom-shaped nanostructures. As doubly re-entrant geometry in the mushroom head enhances the resistance against liquid invasion, the springtails have robust, liquid-free omniphobic skins. Although omniphobic surfaces are promising for various applications, it remains an important challenge to mimic the structural feature of springtails. This paper presents a pragmatic method to create doubly re-entrant nanostructures and robust superomniphobic surfaces by exploiting localized photofluidization of azopolymers. Irradiation of circularly polarized light reconfigures azopolymer micropillars to have a mushroom-like head with a doubly re-entrant nanogeometry through protrusion and inward bending of polymer film from the top edge. The light-driven reconfigured micropillars facilitate the pining of triple line as the springtails do. In particular, the unique geometry exhibits superomniphobicity even for liquids whose equilibrium contact angles are almost zero in the presence of a practical level of external pressure. In addition, the simple fabrication process is highly reproducible, scalable, and compatible with various substrate materials including flexible polymeric film. Our results suggest that our photofluidization technology will provide a practical route to develop robust superomniphobic surfaces.
Citations by journals
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1 publication, 0.97%
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1 publication, 0.97%
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Biophysics Reviews
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1 publication, 0.97%
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Applied Physics Reviews
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1 publication, 0.97%
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Materials
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Materials
1 publication, 0.97%
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1 publication, 0.97%
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Journal of the Iranian Chemical Society
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1 publication, 0.97%
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La Rivista del Nuovo Cimento, 1, 0.97%
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1 publication, 0.97%
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Nature Communications
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1 publication, 0.97%
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1 publication, 0.97%
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1 publication, 0.97%
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Progress in Materials Science
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1 publication, 0.97%
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1 publication, 0.97%
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1 publication, 0.97%
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1 publication, 0.97%
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1 publication, 0.97%
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Citations by publishers
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5
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American Chemical Society (ACS)
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American Chemical Society (ACS)
27 publications, 26.21%
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Wiley
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22 publications, 21.36%
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Elsevier
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19 publications, 18.45%
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8 publications, 7.77%
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Springer Nature
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Springer Nature
6 publications, 5.83%
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3 publications, 2.91%
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American Institute of Physics (AIP)
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2 publications, 1.94%
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Societa Italiana di Fisica
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Societa Italiana di Fisica, 1, 0.97%
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1 publication, 0.97%
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Walter de Gruyter
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Walter de Gruyter
1 publication, 0.97%
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American Association for the Advancement of Science (AAAS)
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American Association for the Advancement of Science (AAAS)
1 publication, 0.97%
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Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
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Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 1, 0.97%
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
1 publication, 0.97%
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Proceedings of the National Academy of Sciences (PNAS)
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Proceedings of the National Academy of Sciences (PNAS)
1 publication, 0.97%
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American Physical Society (APS)
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American Physical Society (APS)
1 publication, 0.97%
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SAGE
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SAGE
1 publication, 0.97%
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Choi J. et al. Flexible and Robust Superomniphobic Surfaces Created by Localized Photofluidization of Azopolymer Pillars // ACS Nano. 2017. Vol. 11. No. 8. pp. 7821-7828.
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Choi J., Jo W., Lee S. Y., Jung Y. J., Kim S., Kim H. T. Flexible and Robust Superomniphobic Surfaces Created by Localized Photofluidization of Azopolymer Pillars // ACS Nano. 2017. Vol. 11. No. 8. pp. 7821-7828.
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TY - JOUR
DO - 10.1021/acsnano.7b01783
UR - https://doi.org/10.1021%2Facsnano.7b01783
TI - Flexible and Robust Superomniphobic Surfaces Created by Localized Photofluidization of Azopolymer Pillars
T2 - ACS Nano
AU - Choi, Jaeho
AU - Jo, Wonhee
AU - Lee, Seung Yeol
AU - Jung, Yeon Joo
AU - Kim, Shin-Hyun
AU - Kim, Hee Tak
PY - 2017
DA - 2017/07/19 00:00:00
PB - American Chemical Society (ACS)
SP - 7821-7828
IS - 8
VL - 11
SN - 1936-0851
SN - 1936-086X
ER -
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@article{2017_Choi,
author = {Jaeho Choi and Wonhee Jo and Seung Yeol Lee and Yeon Joo Jung and Shin-Hyun Kim and Hee Tak Kim},
title = {Flexible and Robust Superomniphobic Surfaces Created by Localized Photofluidization of Azopolymer Pillars},
journal = {ACS Nano},
year = {2017},
volume = {11},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021%2Facsnano.7b01783},
number = {8},
pages = {7821--7828},
doi = {10.1021/acsnano.7b01783}
}
Cite this
MLA
Copy
Choi, Jaeho, et al. “Flexible and Robust Superomniphobic Surfaces Created by Localized Photofluidization of Azopolymer Pillars.” ACS Nano, vol. 11, no. 8, Jul. 2017, pp. 7821-7828. https://doi.org/10.1021%2Facsnano.7b01783.