Bio-inspired fabrication of superhydrophobic surfaces through peptide self-assembly
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- Bio-inspired fabrication of superhydrophobic surfaces through peptide self-assembly
- Lee, Joon Seok; Ryu, Jungki; Park, Chan Beum
- Bio-inspired; Capillary force; High temperature; Nano-scale roughness; Nanofabrication; Nanowire films; Super-hydrophobic surfaces; Superhydrophobic; Surface free energy; Vertically aligned
- Issue Date
- ROYAL SOC CHEMISTRY
- SOFT MATTER, v.5, no.14, pp.2717 - 2720
- A vertically aligned peptide nanowire film, prepared by the self-assembly of diphenylalanine upon exposure to fluorinated aniline vapor at high temperature, exhibits a superhydrophobic property due to its nanoscale roughness and low surface free energy. We fabricated a self-cleaning, superhydrophobic surface by hierarchically re-organizing peptide nanowires into a hill-and-valley-like structure using capillary force induced by solvent-evaporation. Our approach provides an alternative way of nanofabrication for superhydrophobic materials, which should broaden the spectrum of applications for peptide self-assembly.
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