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Biomimetic hierarchical structure for self-cleaning
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10.1063/1.2976635
/content/aip/journal/apl/93/9/10.1063/1.2976635
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/9/10.1063/1.2976635

Figures

Image of FIG. 1.
FIG. 1.

SEM micrographs of the flat surface, nanostructure, microstructure, and hierarchical structure measured at tilt angle (shown using two magnifications). All samples are fabricated with epoxy resin coated with -hexatriacontane.

Image of FIG. 2.
FIG. 2.

Bar chart showing the measured static contact angle, hysteresis and tilt angles, calculated contact angles obtained using Wenzel and Cassie–Baxter equations with a given value of , and calculated hysteresis angles using Cassie–Baxter equation on various structures. The droplet on flat surface does not move along the surface even at tilt angle of . The bar chart also shows adhesive forces for various structures measured using a radius borosilicate tip.

Tables

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Table I.

Summary of static contact angles and hysteresis angles measured and calculated for droplets in Wenzel regime and Cassie–Baxter regime on the various surfaces using the values of and .

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/content/aip/journal/apl/93/9/10.1063/1.2976635
2008-09-02
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Biomimetic hierarchical structure for self-cleaning
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/9/10.1063/1.2976635
10.1063/1.2976635
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