期刊
ACS APPLIED MATERIALS & INTERFACES
卷 9, 期 1, 页码 1011-1020出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b10964
关键词
superhydrophobic; superoleophobic-superhydrophilic; superamphiphobic; kaolin; underwater superoleophobic; topograph; self-cleaning
资金
- National Natural Science Foundation of China [21473132, 21373158]
- Shannxi Science and Technology Department [2014JM2047, 2013KJXX-41]
As the starting material, kaolin is selectively and diversely fabricated to the superhydrophobic, superoleophobic-superhydrophilic, and superamphiphobic materials, respectively. The wettability of the kaolin surface can be selectively controlled and regulated to different superwetting states by choosing the corresponding modification reagent. The procedure is facile to operate, and no special technique or equipment is required. In addition, the procedure is cost-effective and time-saving and the obtained super-repellent properties are very stable. The X-ray photoelectron spectroscopy analysis demonstrates different changes of kaolin particles surfaces which are responsible for the different super repellency. The scanning electron microscopy displays geometric micro- and nanometer structures of the obtained three kinds of super-repellent materials. The results show that kaolin has good applications in many kinds of superwetting materials. The method demonstrated in this paper provides a new strategy for regulating and controlling the wettability of solid surfaces selectively, diversely, and comprehensively.
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