期刊
APPLIED SURFACE SCIENCE
卷 434, 期 -, 页码 1015-1020出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2017.10.183
关键词
Superhydrophobic surface; Superoleophilic surface; Mechanical strength; Chemical durability; Oil/water separation
类别
资金
- Science and Technology Department of Sichuan Province [2017JZ0021, 2017SZ0039]
- Education Department of Sichuan Province [17ZA0298]
A novel superhydrophobic and superoleophilic surface was fabricated by one-step electrodeposition on stainless steel meshes, and the durability and oil/water separation properties were assessed. Field emission scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), fourier transform infrared spectroscopy (FT-IR) and optical contact angle measurements were used to characterize surface morphologies, chemical compositions, and wettabilities, respectively. The results indicated that the as-prepared mesh preformed excellent superhydrophobicity and superoleophilicity with a high water contact angle (WCA) of 162 +/- 1 degrees and oil contact angle of (OCA) 0 degrees. Meanwhile, the as-prepared mesh also exhibited continuous separation capacity of many kinds of oil/water mixtures, and the separation efficiency for lubrication oil/water mixture was about 98.6%. In addition, after 10 separation cycles, the as-prepared mesh possessed the WCAs of 155 +/- 2 degrees, the OCAs of 0 degrees and the separation efficiency of 97.8% for lubrication oil/water mixtures. The as-prepared mesh also retained superhydrophobic and superoleophilic properties after abrading, immersing in salt solutions and different pH solutions. (C) 2017 Published by Elsevier B.V.
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