Superhydrophobicity of biological and technical surfaces under moisture condensation: stability in relation to surface structure.

作者: Bernd Mockenhaupt , Hans-Jürgen Ensikat , Manuel Spaeth , Wilhelm Barthlott

DOI: 10.1021/LA802351H

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摘要: The stability of superhydrophobic properties of eight plants and four technical surfaces in respect to water condensation has been compared. Contact and sliding angles were measured after application of water drops of ambient temperature (20° C) onto cooled surfaces. Water evaporating from the drops condensed, due to the temperature difference between the drops and the surface, on the cooled samples, forming “satellite droplets” in the vicinity of the drops. Surface cooling to 15, 10, and 5° C showed a gradual decrease of …

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