Journal
APPLIED SURFACE SCIENCE
Volume 355, Issue -, Pages 226-232Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2015.06.203
Keywords
Superhydrophobic; Synergetic corrosion; Oxidized area; Anti-icing; UV-durability
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Funding
- National Natural Science Foundation of China [11172142]
- Technological Innovation Funds of Jiangsu Province [BC2012011]
- Innovation of Graduate Student Training Plan in Jiangsu Province [KYZZ_0118]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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A superhydrophobic surface (SHS) was prepared on steel via the synergetic corrosion of H2O2 and H2SO4, followed by the modification of silanes. Flower-like hierarchical structures were obtained by the following two etching aspects: the non-uniform ions concentration around O-2, and the selective corrosion for steel substrate. Surface grafting was manifested to preferentially be realized on the oxidized area, and the H2O2 is crucial for the grafting efficiency. Moreover, the resultant surface exhibited superior anti-icing property in extremely condensing condition. In addition, surface with C-F bond exhibited outstanding UV-durability. (C) 2015 Elsevier B.V. All rights reserved.
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