P.S. Brown
Ultra-Fast Oleophobic-Hydrophilic Switching Surfaces for Anti-Fogging, Self-Cleaning, and Oil-Water Separation
Brown, P.S.; Atkinson, O.; Badyal, J.P.S.
Abstract
Smooth copolymer–fluorosurfactant complex film surfaces are found to exhibit fast oleophobic–hydrophilic switching behavior. Equilibration of the high oil contact angle (hexadecane = 80°) and low water contact angle (<10°) values occurs within 10 s of droplet impact. These optically transparent surfaces display excellent antifogging and self-cleaning properties. The magnitude of oleophobic–hydrophilic switching can be further enhanced by the incorporation of surface roughness to an extent that it reaches a sufficiently high level (water contact angle <10° and hexadecane contact angle >110°), which, when combined with the inherent ultrafast switching speed, yields oil–water mixture separation efficiencies exceeding 98%.
Citation
Brown, P., Atkinson, O., & Badyal, J. (2014). Ultra-Fast Oleophobic-Hydrophilic Switching Surfaces for Anti-Fogging, Self-Cleaning, and Oil-Water Separation. ACS Applied Materials and Interfaces, 6(10), 7504-7511. https://doi.org/10.1021/am500882y
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 14, 2014 |
Online Publication Date | Apr 30, 2014 |
Publication Date | May 28, 2014 |
Deposit Date | Oct 31, 2014 |
Publicly Available Date | Mar 29, 2024 |
Journal | ACS Applied Materials and Interfaces |
Print ISSN | 1944-8244 |
Electronic ISSN | 1944-8252 |
Publisher | American Chemical Society |
Peer Reviewed | Peer Reviewed |
Volume | 6 |
Issue | 10 |
Pages | 7504-7511 |
DOI | https://doi.org/10.1021/am500882y |
Keywords | Oleophobic−hydrophilic, Switching surface, Antifogging, Self-cleaning, Oil−water separation, Copolymer−fluorosurfactant complex. |
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Copyright Statement
This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/am500882y.
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