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Fürstner R, Barthlott W, Neinhuis C, et al. Wetting and self-cleaning properties of artificial superhydrophobic surfaces. Langmuir. 2005;21(3):956-61doi: 10.1021/la0401011.
Fürstner, R., Barthlott, W., Neinhuis, C., & Walzel, P. (2005). Wetting and self-cleaning properties of artificial superhydrophobic surfaces. Langmuir : the ACS journal of surfaces and colloids, 21(3), 956-61. https://doi.org/10.1021/la0401011
Fürstner, Reiner, et al. "Wetting and self-cleaning properties of artificial superhydrophobic surfaces." Langmuir : the ACS journal of surfaces and colloids vol. 21,3 (2005): 956-61. doi: https://doi.org/10.1021/la0401011
Fürstner R, Barthlott W, Neinhuis C, Walzel P. Wetting and self-cleaning properties of artificial superhydrophobic surfaces. Langmuir. 2005 Feb 01;21(3):956-61. doi: 10.1021/la0401011. PMID: 15667174.
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Langmuir. 2005 Feb 01;21(3):956-61. doi: 10.1021/la0401011.

Wetting and self-cleaning properties of artificial superhydrophobic surfaces.

Langmuir : the ACS journal of surfaces and colloids

Reiner Fürstner, Wilhelm Barthlott, Christoph Neinhuis, Peter Walzel

Affiliations

  1. Nees-Institut für Biodiversität der Pflanzen, Rheinische Friedrich-Wilhelms-Universität Bonn, Meckenheimer Allee 170, D-53115 Bonn, Germany. [email protected]

PMID: 15667174 DOI: 10.1021/la0401011

Abstract

The wetting and the self-cleaning properties (the latter is often called the "Lotus-Effect") of three types of superhydrophobic surfaces have been investigated: silicon wafer specimens with different regular arrays of spikes hydrophobized by chemical treatment, replicates of water-repellent leaves of plants, and commercially available metal foils which were additionally hydrophobized by means of a fluorinated agent. Water droplets rolled off easily from those silicon samples which had a microstructure consisting of rather slender spikes with narrow pitches. Such samples could be cleaned almost completely from artificial particulate contaminations by a fog consisting of water droplets (diameter range, 8-20 microm). Some metal foils and some replicates had two levels of roughening. Because of this, a complete removal of all particles was not possible using artificial fog. However, water drops with some amount of kinetic impact energy were able to clean these surfaces perfectly. A substrate where pronounced structures in the range below 5 microm were lacking could not be cleaned by means of fog because this treatment resulted in a continuous water film on the samples.

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