Acoustic tracking of Cassie to Wenzel wetting transitions.

Abstract

Many applications involving superhydrophobic materials require accurate control and monitoring of wetting states and wetting transitions. Such monitoring is usually done by optical methods, which are neither versatile nor integrable. This letter presents an alternative approach based on acoustic measurements. An acoustic transducer is integrated on the back… (More)
DOI: 10.1021/la402481b

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