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URN to cite this document: urn:nbn:de:bvb:703-epub-8341-6
Title data
Weber, Melina ; Bretschneider, Felix ; Kreger, Klaus ; Greiner, Andreas ; Schmidt, Hans-Werner:
Mimicking Cacti Spines via Hierarchical Self‐Assembly for Water Collection and Unidirectional Transport.
In: Advanced Materials Interfaces.
Vol. 11
(2024)
Issue 29
.
- 2400101.
ISSN 2196-7350
DOI der Verlagsversion: https://doi.org/10.1002/admi.202400101
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Abstract
Nature utilizes bottom-up approaches to fabricate defined structures with highly complex, anisotropic and functional features. One prominent example is cacti spines, which exhibit a hierarchically structured conical morphology with a longitudinal microstructured surface. Here, a bottom-up approach to fabricate supramolecular microstructured spines is presented by applying a self-assembly protocol. Taking advantage of the capillary forces of vertically aligned polyamide microfibers acts as the structure-directing substrate for site-specific self-assembly of a specific 1,3,5-benzenetricarboxamides from the solution. The morphology of the supramolecular spines covers several hierarchical levels, ultimately resulting in a conical shape with longitudinal self-assembled microgrooves and a superhydrophilic surface. It is demonstrated that these hierarchical conical microstructures are able to transport water droplets unidirectionally.
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