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

Jungmok Seo; Soonil Lee; Heetak Han; Hwae Bong Jung; Juree Hong; Giyoung Song; Suk Man Cho; Cheolmin Park; Wooyoung Lee; Taeyoon Lee

doi:10.1002/adma.201300979

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

Jungmok Seo, Soonil Lee, Heetak Han, Hwae Bong Jung, Juree Hong, Giyoung Song, Suk Man Cho, Cheolmin Park, Wooyoung Lee, Taeyoon Lee

Research output: Contribution to journal › Article › peer-review

60 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	4139-4144
Number of pages	6
Journal	Advanced Materials
Volume	25
Issue number	30
DOIs	https://doi.org/10.1002/adma.201300979
Publication status	Published - 2013 Aug 14

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.201300979

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abstract = "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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AU - Seo, Jungmok

AU - Lee, Soonil

AU - Han, Heetak

AU - Jung, Hwae Bong

AU - Hong, Juree

AU - Song, Giyoung

AU - Cho, Suk Man

AU - Park, Cheolmin

AU - Lee, Wooyoung

AU - Lee, Taeyoon

PY - 2013/8/14

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

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