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Advanced Materials

In Situ Surface-Modification-Induced Superhydrophobic Patterns with Reversible Wettability and Adhesion

Authors

  • Yuekun Lai,

    Corresponding author
    1. Physikalisches Institute and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster, Münster D-48149, Germany
    • Physikalisches Institute and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster, Münster D-48149, Germany.
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  • Fei Pan,

    1. Physikalisches Institute and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster, Münster D-48149, Germany
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  • Cong Xu,

    1. Max Planck Institute for Molecular Biomedicine, Münster D-48149, Germany
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  • Harald Fuchs,

    1. Physikalisches Institute and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster, Münster D-48149, Germany
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  • Lifeng Chi

    Corresponding author
    1. Physikalisches Institute and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster, Münster D-48149, Germany
    • Physikalisches Institute and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität Münster, Münster D-48149, Germany.
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Abstract

Herein is described a facile, in situ, ink-regulating approach to rapidly achieve reversible water wettability and adhesion transition, with a large degree of contrast, on superhydrophobic TiO2 nanotube array film. The ink printing and removal process allows the wettability and reversible adhesion transitions to be realized. Experimental results demonstrate the potential application of such site-selective, sticky superhydrophobic patterns for droplet manipulation by in situ surface modification.

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