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The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.

Fabrication of artificial Lotus leaves and significance of hierarchical structure for superhydrophobicity and low adhesion

Koch, Kerstin, Bhushan, Bharat, Jung, Yong Chae, Barthlott, Wilhelm·2009·Soft Matter

Abstract

The superhydrophobic and self-cleaning leaves of Lotus (Nelumbo nucifera, Gaertn.) have been used as a model for the development of artificial biomimetic surfaces. The hierarchical structure of the Lotus leaf has been recreated to characterize the influence of hierarchical roughness on superhydrophobicity and adhesion. Hierarchical structures were fabricated by a fast and precise molding of the Lotus leaf microstructure, and self-assembly of the natural Lotus wax deposited by thermal evaporation to create the wax tubules nanostructures. Tubule formation was initiated by exposure of the specimens to a solvent vapor phase at a selected temperature. In order to study the influence of structures at different scale sizes on superhydrophobicity, a flat surface, microstructured Lotus leaf replica and a micropatterned Si replica, and a nanostructure were fabricated. Static contact angle, contact angle hysteresis, tilt angle and adhesive forces were measured. The data show that microstructures and nanostructures lead to superhydrophobicity, whereas hierarchical structures further improve this property and show low contact angle hysteresis, superior to that of the natural Lotus leaves.

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Metadata

Authors
Koch, K., Bhushan, B., Jung, Y. C., & Barthlott, W.
Venue
Soft Matter
Published
2009
Volume
5
Issue
7
Pages
1386
ISSN
  • 1744-683X (ISSN-L)
  • 1744-6848
OpenAlex
W2007620231
Cited by
718
References
22
FWCI
14.65
Type
journal article
Language
en
Open access
closed

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