Fabrication and surface characterization of biomimic superhydrophobic copper surface by solution-immersion and self-assembly |
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| Authors: | Shiheng Yin Dongxiao WuJi Yang Shumei LeiTongchun Kuang Bin Zhu |
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| Institution: | Analytical and Testing Center, South China University of Technology, Guangzhou 510640, PR China |
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| Abstract: | Biomimic superhydrophobic surfaces with contact angle greater than 150° and low sliding angle on copper substrate were fabricated by means of a facile solution immersion and surface self-assembly method. The scanning electron microscopy showed a nanoneedle structure copper surface with sporadic flower-like aggregates after treatment with sodium hydroxide and potassium persulfate solution. X-ray photoelectron spectroscopy and X-ray diffraction results confirmed that the formed nanoneedles were crystallized Cu(OH)2. And the hydrophilic Cu(OH)2 surface can be further modified into superhydrophobic through surface self-assembly with dodecanoic acid. |
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| Keywords: | Superhydrophobic Nanoneedle Copper Solution immersion Self-assembly |
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