期刊
APPLIED SURFACE SCIENCE
卷 258, 期 20, 页码 7907-7911出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2012.04.119
关键词
Superhydrophobic; SiO2 nanoparticles; Coating
类别
资金
- National Basic Research Program of China (973 program) [2007CB607606]
- Innovative Group Foundation from NSFC [50975077]
The present study reports a very simple and low-cost dip-coating method for the preparation of fluorine-free water-repellent SiO2 nanoparticle coating. The coating has a high water contact angle of 169 degrees and a sliding angle of 7 degrees, showing superhydrophobic property. The coating demonstrates good adhesion on substrates and the long-term stability. Importantly, the coating also demonstrates superhydrophobicity in the wide pH range of corrosive liquids. It is found that a piece of glass coated with superhydrophobic coatings cannot only float freely on water surface but also exhibit striking loading capacities. (C) 2012 Published by Elsevier B.V.
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