How Plants Keep Dry: A Physicist's Point of View

This work describes the investigation of the physical basis of the amazing water repellence of some plant leaves, which is in addition to self-cleaning properties known as the “Lotus effect”. Two rather different possible mechanisms are proposed, which are suggested to cover the main physics in a ma...

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Veröffentlicht in:	Langmuir 2004-03, Vol.20 (6), p.2405-2408
Hauptverfasser:	Otten, Alexander, Herminghaus, Stephan
Format:	Artikel
Sprache:	eng
Schlagworte:	Biophysical Phenomena Biophysics Hydrophobic and Hydrophilic Interactions Microscopy, Electron, Scanning Models, Biological Nanotubes, Carbon Plant Leaves - metabolism Plant Leaves - ultrastructure Plants - metabolism Water - metabolism
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Beschreibung
Zusammenfassung:	This work describes the investigation of the physical basis of the amazing water repellence of some plant leaves, which is in addition to self-cleaning properties known as the “Lotus effect”. Two rather different possible mechanisms are proposed, which are suggested to cover the main physics in a majority of superhydrophobic systems. These concepts are illustrated with two different types of plant leaves as well as a model surface carrying carbon nanotube aggregates.
ISSN:	0743-7463 1520-5827
DOI:	10.1021/la034961d