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Unidirectional Alignment of Lamellar Bilayer in Hydrogel: One-Dimensional Swelling, Anisotropic Modulus, and Stress/Strain Tunable Structural Color

Authors

  • Md. Anamul Haque,

    1. Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo, 060–0810 (Japan)
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  • Gen Kamita,

    1. Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo, 060–0810 (Japan)
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  • Takayuki Kurokawa,

    1. Faculty of Advanced Life Science, Graduate School of Science, Hokkaido University, Sapporo, 060–0810 (Japan)
    2. Creative Research Initiative Sousei, Hokkaido University, Sapporo, 001–0021 (Japan)
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  • Kaoru Tsujii,

    1. Nanotechnology Research Center, Research Institute for Electronic Science, Hokkaido University (Retired), Sapporo, 001–0021 (Japan)
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  • Jian Ping Gong

    Corresponding author
    1. Faculty of Advanced Life Science, Graduate School of Science, Hokkaido University, Sapporo, 060–0810 (Japan)
    • Faculty of Advanced Life Science, Graduate School of Science, Hokkaido University, Sapporo, 060–0810 (Japan).
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Abstract

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A novel anisotropic hydrogel, consisting of lamellar bilayers and a polymer network, with unidirectional alignment of the bilayer structure has been synthesized. The unidirectional orientation of bilayer in the gels leads to one-dimensional swelling, strong anisotropy in elastic modulus, and exhibits excellent visible color. The gel shows reversibly tunable structural color under mechanical stimulation and could be the basis for a deformation-based color display.

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