Gas-driven ultrafast reversible switching of super-hydrophobic adhesion on palladium-coated silicon nanowires.

@article{Seo2013GasdrivenUR,
  title={Gas-driven ultrafast reversible switching of super-hydrophobic adhesion on palladium-coated silicon nanowires.},
  author={Jungmok Seo and Seung Hyeun Lee and Heetak Han and Hwae Bong Jung and Juree Hong and Giyoung Song and Suk Man Cho and Cheolmin Park and Wooyoung Lee and Taeyoon Lee},
  journal={Advanced materials},
  year={2013},
  volume={25 30},
  pages={
          4139-44
        }
}
A gas-driven ultrafast adhesion switching of water droplets on palladium-coated Si nanowire arrays is demonstrated. By regulating the gas-ambient between the atmosphere and H2 , the super-hydrophobic adhesion is repeatedly switched between water-repellent and water-adhesive. The capability of modulating the super-hydrophobic adhesion on a super-hydrophobic surface with a non-contact mode could be applicable to novel functional lab-on-a-chip platforms. 
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