Hydrophobic/hydrophilic switching on zinc oxide micro-textured surface

[Display omitted] ► Surface coverage less than 40% leads to hydrophobicity: theoretical and experimental approaches. ► Reversible wettability of zinc oxide microrods coated surface with ultraviolet and infrared irradiation. ► Potential application in designing surfaces with controlled wettability. S...

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Bibliographic Details
Published in:Applied surface science 2013-01, Vol.264, p.344-348
Main Authors: Myint, Myo Tay Zar, Kumar, Nithin Senthur, Hornyak, Gabor Louis, Dutta, Joydeep
Format: Article
Language:English
Subjects:
Annealing
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Hydrophilic
Hydrophobic
Microrod
Physics
Ultraviolet
Zinc oxide
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Summary:[Display omitted] ► Surface coverage less than 40% leads to hydrophobicity: theoretical and experimental approaches. ► Reversible wettability of zinc oxide microrods coated surface with ultraviolet and infrared irradiation. ► Potential application in designing surfaces with controlled wettability. Switchable wettability of zinc oxide (ZnO) microrod coated surfaces was controlled in two different ways: (1) by physical geometry (surface coverage area SA: the area covered by solid) and (2) by irradiation with ultraviolet (UV) light followed by infrared (IR) or furnace heating. In the first approach, the threshold coverage area for achieving hydrophobic surfaces was found to be
ISSN:0169-4332
1873-5584
1873-5584
DOI:10.1016/j.apsusc.2012.10.024