Fabrication of a lotus-like micro–nanoscale binary structured surface and wettability modulation from superhydrophilic to superhydrophobic
- 9 August 2005
- journal article
- Published by IOP Publishing in Nanotechnology
- Vol. 16 (10) , 2056-2060
- https://doi.org/10.1088/0957-4484/16/10/013
Abstract
We report a simple method for fabricating a lotus-like micro-nanoscale binary structured surface of copper phosphate dihydrate. The copper phosphate dihydrate nanosheets were generated by galvanic cell corrosion of a copper foil with aqueous phosphorus acid solution drops and dried in an oxygen gas atmosphere, and they self-organized into a film with a lotus-like micro-nanoscale binary structured surface. The wettability of this surface can be changed from superhydrophilic to highly hydrophobic or superhydrophobic by heating or modifying it with an n-dodecanethiol monolayer.Keywords
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