Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 224, Issue -, Pages 117-124Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mseb.2017.07.013
Keywords
Superhydrophobic; 3D material; Oil-water separation; Stability; Electrodeposition
Funding
- National College Students Innovation and Entrepreneurship Training Program (SIETP) of China [201510635005]
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In this paper, a robust and magnetic recyclable 3D superhydrophobic material (SHM) was successfully prepared through a simple, low-cost, and environmentally friendly method. A rough surface structure of the 3D SHM could be easily obtained by the electrodeposition of metallic copper on the Ni foam and a different micro-nano structure could be obtained by adjusting the electrodeposition time. Subsequently, 1-octadecanethiol self-assembled on the micro-nano structure could lower the surface energy and protect the copper coating. The 3D SHM presents high superhydrophobicity. In addition, the as-prepared 3D SHM shows outstanding chemical and secular stabilities after it was treated with solutions with a wide range of pH values. High stabilities and good superhydrophobicity with hierarchical micro-nano structure endow the 3D SHM with highly efficient and stable oil-water separation capacity. In addition, a mini boat was made using the 3D SHM to collect oil spill. We hope that this robust 3D SHM will be widely used for oil-water separation and oil spill collection. (C) 2017 Published by Elsevier B.V.
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