Sorting of droplets by migration on structured surfaces
2011
Sorting of Droplets on Structured Surfaces
publication
Evidence: moderate
Author Information
Author(s): Konrad Wilfried, Roth-Nebelsick Anita, Barthlott Wilhelm, Koch Kerstin
Primary Institution: University of Tübingen
Hypothesis
Can controlled droplet movement be achieved using surface patterns of cones and funnels?
Conclusion
Surfaces with cone-shaped structures can be designed to create 'band-conveyors' for droplets.
Supporting Evidence
- Droplets can move towards areas of minimum contact angle on specially designed surfaces.
- The study suggests that droplet movement can be controlled by varying surface structures.
- Different chemical reactants can be directed to different assembly lines using this method.
Takeaway
This study shows that we can move tiny droplets around by using special surfaces shaped like cones.
Methodology
The study derives the surface formation energy of droplets on cone-shaped structures and discusses their properties.
Digital Object Identifier (DOI)
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