Abstract
Femtosecond laser microfabrication has been attracting increasing interest of researchers in recent years, and been applied on interface science to control the wettability of solid surfaces. Herein, we fabricate a kind of rough microstructures on polytetrafluoroethylene (PTFE) sheet by femtosecond laser. The femtosecond laser ablated surfaces show durable superhydrophobicity and ultralow water adhesion even after storing in a harsh environment for a long time, including strong acid, strong alkali, and high temperature. A penetrating microholes array was further generated on the rough superhydrophobic PTFE sheet by a subsequent mechanical drilling process. The as-prepared material was successfully applied in the field of oil/water separation due to the inverse superhydrophobicity and superoleophilicity.
| Original language | English |
|---|---|
| Article number | 102563O |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 10256 |
| DOIs | |
| State | Published - 2017 |
| Event | 2nd International Conference on Photonics and Optical Engineering - Xi'an, China Duration: 14 Oct 2016 → … |
Keywords
- Durability
- Femtosecond laser
- Oil/water separation
- PTFE
- Superhydrophobic
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