Direct Method of Tracing the Wetting States on Nanocomposite Surfaces

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• 作者：Kevin K. Wang ; Han Yan ; Cindy X. Zhao ; Gu Xu ; Yu Qi ; Yiliang Wu ; Nan-Xing Hu
• 刊名：Langmuir
• 出版年：2010
• 出版时间：June 1, 2010
• 年：2010
• 卷：26
• 期：11
• 页码：7686-7689
• 全文大小：746K
• 年卷期：v.26,no.11(June 1, 2010)
• ISSN：1520-5827

文摘

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.