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Hierarchical ZnO Structure with Superhydrophobicity and High Adhesion
Author(s) -
Zheng Liqiu,
Li Zhongrui,
Bourdo Shawn,
Saini Viney,
Ryerson Charles,
Biris Alexandru S.
Publication year - 2011
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.201100314
Subject(s) - lotus effect , nanostructure , adhesion , nanotechnology , materials science , wetting , surface structure , surface (topology) , solid surface , contact angle , chemistry , crystallography , composite material , chemical physics , geometry , raw material , mathematics , organic chemistry
Any petal but a lotus: The hierarchically structured ZnO surface presents superhydrophobicity and a distinctive solid–liquid adhesion that can be attributed to the suitable size of nanostructures in combination with microscopic structures (see picture). Although the surface is superhydrophobic, water droplets continue to cling to the surface even when it is overturned.