Direct Method of Tracing the Wetting States on Nanocomposite Surfaces

Identifying the two distinctive wetting states on a nanostructured surface remains an open challenge. We report here a direct method of tracing the Wenzel and Cassie states by using Ag nanoparticles as tracing agents. The method provides an answer to the long-standing question of whether there is a...

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Veröffentlicht in:Langmuir 2010-06, Vol.26 (11), p.7686-7689
Hauptverfasser: Wang, Kevin K, Yan, Han, Zhao, Cindy X, Xu, Gu, Qi, Yu, Wu, Yiliang, Hu, Nan-Xing
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Sprache:eng
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Zusammenfassung:Identifying the two distinctive wetting states on a nanostructured surface remains an open challenge. We report here a direct method of tracing the Wenzel and Cassie states by using Ag nanoparticles as tracing agents. The method provides an answer to the long-standing question of whether there is a transition from the Wenzel to Cassie state in the sliding angle drop on superhydrophobic nanocomposite thin films containing multiwalled carbon nanotubes.
ISSN:0743-7463
1520-5827
DOI:10.1021/la101259h