期刊
CHEMICAL ENGINEERING JOURNAL
卷 394, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2020.124925
关键词
Ni3S2 coating; Superhydrophobicity; Self-healing property; Anti-fouling property
资金
- Graduate Innovation Fund of China University of Petroleum (East China) [YCX2019066]
- Natural Science Foundation of Shandong Province of China [ZR2019MEM020]
- Fundamental Research Funds for the Central Universities [18CX02091A]
Bioinspired designed superhydrophobic surfaces with various properties have aroused enormous concern. In this work, a superhydrophobic Ni3S2 coating was introduced onto 304 stainless steel via a fluorine-free and economical approach. The achieved superhydrophobic coating was significantly repellent to the infiltration of water. By means of the cooperation of Ni3S2 nanorods and low surface energy, a stable Cassie state was formed on this coating, ensuring bouncing water droplets could not be pinned. In addition, the superhydrophobic coating displayed superior stability even if it was subject to long-term ethanol immersion or heating treatment at 300 degrees C. Moreover, with the help of heating treatment, the coating still could regain superhydrophobicity after suffering from five cycles of O-2 plasma etching. Furthermore, the anti-fouling test demonstrated contaminations could not pollute the steel surface due to an effective barrier formed by the superhydrophobic coating. This presented work is expected to provide promising inspirations for future applications in superhydrophobic materials.
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