Capillary origami: superhydrophobic ribbon surfaces and liquid marbles
2011
Capillary Origami: Superhydrophobic Ribbon Surfaces and Liquid Marbles
publication
Evidence: moderate
Author Information
Author(s): McHale Glen, Newton Michael I, Shirtcliffe Neil J, Geraldi Nicasio R, Barthlott Wilhelm
Primary Institution: Nottingham Trent University
Hypothesis
How can the conditions for spontaneous, capillary-induced folding of a thin ribbon substrate be altered by a rigid surface structure?
Conclusion
The study shows that droplet wrapping can occur with both Cassie-Baxter and Wenzel types of solid-liquid contact.
Supporting Evidence
- The bending rigidity of a solid elastic plate scales with the cube of its thickness.
- Capillary origami has implications for creating three-dimensional structures from flat films.
- Droplet wrapping can occur without evaporation on certain surfaces.
- The study derives conditions for the transition between Cassie-Baxter and Wenzel droplet wrapping.
Takeaway
This study is about how thin ribbons can change shape when droplets touch them, which can help create new 3D structures.
Methodology
Theoretical analysis of droplet wrapping on thin ribbons and solid grains.
Digital Object Identifier (DOI)
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