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- Title
Facile Fabrication of a Superhydrophobic Surface with Robust Micro-/Nanoscale Hierarchical Structures on Titanium Substrate.
- Authors
Dong, Shuliang; Wang, Zhenlong; An, Libao; Li, Yaogang; Wang, Baozhong; Ji, Hongchao; Wang, Han
- Abstract
A superhydrophobic surface with robust structures on a metallic surface could improve its application in various harsh conditions. Herein, we developed a new strategy to fabricate robust micro-/nanoscale hierarchical structures with electrical discharge machining and electrochemical etching on a titanium substrate. After modification by fluorinated silane, the static water contact angle and slide angle of the surface could reach 162 ± 2° and 4 ± 1°, respectively. The superhydrophobic surfaces showed good corrosion resistance and mechanical stability after scratching with sandpapers. In addition, the superhydrophobic surfaces had good self-cleaning performance even in an acidic environment as well as the potential to be used as guiding tracks in droplet microfluidics and lab-on-a-chip systems. These results are expected to be helpful in designing the surface of liquid float gyroscope parts.
- Subjects
SUPERHYDROPHOBIC surfaces; HYDROPHOBIC surfaces; TITANIUM; CONTACT angle; ELECTROCHEMICAL cutting; SURFACE structure; METALLIC surfaces; COPPER surfaces
- Publication
Nanomaterials (2079-4991), 2020, Vol 10, Issue 8, p1509
- ISSN
2079-4991
- Publication type
Article
- DOI
10.3390/nano10081509