title: Wetting and Dewetting Transitions on Submerged Superhydrophobic Surfaces with Hierarchical Structures.
abstract: The wetting transition on submersed superhydrophobic surfaces with hierarchical structures and the influence of trapped air on superhydrophobic stability are predicted based on the thermodynamics and mechanical analyses. The dewetting transition on the hierarchically structured surfaces is investigated, and two necessary thermodynamic conditions and a mechanical balance condition for dewetting transition are proposed. The corresponding thermodynamic phase diagram of reversible transition and the critical reversed pressure well explain the experimental results reported previously. Our theory provides a useful guideline for precise controlling of breaking down and recovering of superhydrophobicity by designing superhydrophobic surfaces with hierarchical structures under water.
authors.affiliation: Key Laboratory of E&M, Zhejiang University of Technology , Ministry of Education & Zhejiang Province, Hangzhou 310014, China.|Jiangsu Key Laboratory of Engineering Mechanics, Southeast University , Nanjing 210096, China.
authors.forename: Huaping
authors.identifier: 0000-0003-4505-7062
authors.initials: H
authors.lastname: Wu
authors.affiliation: Key Laboratory of E&M, Zhejiang University of Technology , Ministry of Education & Zhejiang Province, Hangzhou 310014, China.
authors.forename: Zhe
authors.initials: Z
authors.lastname: Yang
authors.affiliation: Key Laboratory of E&M, Zhejiang University of Technology , Ministry of Education & Zhejiang Province, Hangzhou 310014, China.
authors.forename: Binbin
authors.initials: B
authors.lastname: Cao
authors.affiliation: Key Laboratory of E&M, Zhejiang University of Technology , Ministry of Education & Zhejiang Province, Hangzhou 310014, China.
authors.forename: Zheng
authors.initials: Z
authors.lastname: Zhang
authors.affiliation: Key Laboratory of E&M, Zhejiang University of Technology , Ministry of Education & Zhejiang Province, Hangzhou 310014, China.
authors.forename: Kai
authors.initials: K
authors.lastname: Zhu
authors.affiliation: Key Laboratory of E&M, Zhejiang University of Technology , Ministry of Education & Zhejiang Province, Hangzhou 310014, China.
authors.forename: Bingbing
authors.initials: B
authors.lastname: Wu
authors.affiliation: Key Laboratory of E&M, Zhejiang University of Technology , Ministry of Education & Zhejiang Province, Hangzhou 310014, China.
authors.forename: Shaofei
authors.initials: S
authors.lastname: Jiang
authors.affiliation: Key Laboratory of E&M, Zhejiang University of Technology , Ministry of Education & Zhejiang Province, Hangzhou 310014, China.
authors.forename: Guozhong
authors.initials: G
authors.lastname: Chai