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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2009> 18(3): 339-344
LIU Hong-qin, XU Wen-guo, LU Shi-xiang. Fabrication of Stable Superhydrophobic Cupric Hydroxide Surface with Hierarchical Structure on Copper Substrate[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2009, 18(3): 339-344.
Citation: LIU Hong-qin, XU Wen-guo, LU Shi-xiang. Fabrication of Stable Superhydrophobic Cupric Hydroxide Surface with Hierarchical Structure on Copper Substrate[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2009, 18(3): 339-344.
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Fabrication of Stable Superhydrophobic Cupric Hydroxide Surface with Hierarchical Structure on Copper Substrate

  • Institute for Chemical Physics, School of Science, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2008-11-07
    Abstract
  • Cupric hydroxide films with a new hierarchical architecture consisting of beautiful nanotubes and nanoflowers were directly fabricated on copper substrate via a solution-immersion process at a constant temperature of 23?℃. Stable superhydrophobic Cu(OH) 2surface was obtained after Cu(OH) 2films were modified with hydrolyzed 1H, 1H, 2H, 2H-perfluorooctyltrichlorosilane (C 8H 4Cl 3F 13Si, FOTMS). The surface morphology and composition of the film were studied using scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS), respectively. Result shows that the surface of Cu(OH) 2films directly grown on copper substrate was hydrophilic, whereas the modified Cu(OH) 2films exhibited the superhydrophobicity with a water contact angle (CA) of about 160.8°, as well as a small sliding angle (SA) of about 1°. The special hierarchical structure, along with the slow surface energy leads to the high superhydrophobicity of the surface.
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