Bioinspired superhydrophobic surfaces, fabricated through simple and scalable roll-to-roll processing
Open accessAbstract
A simple, scalable, non-lithographic, technique for fabricating durable superhydrophobic (SH) surfaces, based on the fingering instabilities associated with non-Newtonian flow and shear tearing, has been developed. The high viscosity of the nanotube/elastomer paste has been exploited for the fabrication. The fabricated SH surfaces had the appearance of bristled shark skin and were robust with respect to mechanical forces. While flow instability is regarded as adverse to roll-coating processes for fabricating uniform films, we especially use the effect to create the SH surface. Along with their durability and self-cleaning capabilities, we have demonstrated drag reduction effects of the fabricated films through dynamic flow measurements.
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Super-hydrophobic polymer surfaces with water contact angles above 150°, low surface energy, and self-cleaning properties resist microbial cell adhesion in short-term applications.
“Super-hydrophobic polymer surfaces, such as very smooth silicone, polyurethane, polytetrafluoroethylene (PTFE), poly(vinyl chloride) (PVC), and polyethylene (PE), that have water contact angles larger than 150°, low surface energy,55,56 as well as unique water repellent57 and self-cleaning abilities,56 are known to have resistance to microbial cell adhesion during short-term applications.58”
From Recent advances in thromboresistant and antimicrobial polymers for biomedical applications: just say yes to nitric oxide (NO) (2016) · cites this paper as [55]
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- Authors
- Park, S.-H., Lee, S., Moreira, D., Bandaru, P. R., Han, I., & Yun, D.-J.
- Affiliations
- Soongsil University (KR)
- University of California San Diego (US)
- Samsung (South Korea) (KR)
- Corresponding author
- Park, Sung-Hoon
- Yun, Dong-Jin
- Venue
- Scientific Reports
- Published
- 2015-10-22
- Volume
- 5
- Issue
- 1
- Pages
- 15430-15430
- ISSN
- 2045-2322 (ISSN-L)
- PMC
- PMC4651109
- OpenAlex
- W1856715997
- Cited by
- 40
- References
- 44
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 2 · 2023: 2 · 2022: 3 · 2021: 5 · 2020: 3 · 2019: 4 · 2018: 7 · 2017: 3 · 2016: 5
- FWCI
- 1.94
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Scientific Reports (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Funders
- University of Massachusetts Amherst
- Topics
- Physical Sciences › Materials Science › Surfaces, Coatings and Films › Surface Modification and Superhydrophobicity
- Physical Sciences › Engineering › Computational Mechanics › Fluid Dynamics and Thin Films
- Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
- Keywords
- superhydrophobic surfaces, roll-to-roll processing, fingering instability, non-Newtonian flow, self-cleaning surfaces, drag reduction, non-lithographic fabrication, surface durability
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