Biologically inspired omniphobic surfaces by reverse imprint lithography
René Hensel1, Andreas Finn, Ralf Helbig
1Max Bergmann Center of Biomaterials Dresden, Leibniz Institute of Polymer Research Dresden, Hohe Straße 6, 01069, Dresden, Germany; Technische Universität Dresden, Research Training Group "Nano- and Biotechniques for Electronic Device Packaging", Helmholtzstraße 18, 01069, Dresden, Germany.
Advanced Materials (Deerfield Beach, Fla.)
|December 31, 2013
Summary
Researchers mimicked springtail skin to create durable, water-repellent polymer membranes. These mechanically stable, omniphobic coatings can be applied to various surfaces, including curved ones.
Area of Science:
- Materials Science
- Biomimetics
- Surface Chemistry
Background:
- Developing advanced materials with tailored surface properties is crucial for numerous technological applications.
- Mimicking natural structures offers a promising route to novel material functionalities.
Purpose of the Study:
- To translate the unique skin morphology of springtails into robust, omniphobic polymer membranes.
- To investigate the role of specific structural features in achieving mechanical stability and versatile applicability.
Main Methods:
- Utilizing reverse imprint lithography to replicate springtail skin microstructures.
- Fabricating self-supporting polymer membranes with overhanging, comblike patterns.
Main Results:
- Successfully created polymer membranes exhibiting omniphobic properties (repelling both water and oil).
- Demonstrated that the overhanging, comblike structures are essential for mechanical robustness.
- Showcased the ability to apply these stable coatings to curved surfaces.
Conclusions:
- Springtail-inspired surface structures provide an effective strategy for designing mechanically stable, omniphobic materials.
- Reverse imprint lithography is a viable technique for fabricating such biomimetic surfaces.
- These findings open possibilities for advanced coatings in diverse fields.
