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Bio-Inspired Hierarchical Macromolecule–Nanoclay Hydrogels for Robust Underwater Superoleophobicity

Authors

  • Ling Lin,

    1. Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (P. R. China)
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049 (P. R. China)
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  • Mingjie Liu,

    1. National Center for Nanoscience and Technology, Beijing 100190 (P. R. China)
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049 (P. R. China)
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  • Li Chen,

    1. Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (P. R. China)
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049 (P. R. China)
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  • Peipei Chen,

    1. National Center for Nanoscience and Technology, Beijing 100190 (P. R. China)
    2. Graduate University of Chinese Academy of Sciences, Beijing 100049 (P. R. China)
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  • Jie Ma,

    1. Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (P. R. China)
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  • Dong Han,

    Corresponding author
    1. National Center for Nanoscience and Technology, Beijing 100190 (P. R. China)
    • National Center for Nanoscience and Technology, Beijing 100190 (P. R. China).
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  • Lei Jiang

    Corresponding author
    1. Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (P. R. China)
    • Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (P. R. China)
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Abstract

original image

Robustunderwater superoleophobicity – oil repellence that is stable under loading – is achieved by constructing hierarchical macromolecule-nanoclay hydrogels (see images), inspired by the oil-repellent nature of the composite surface of fish. The synergetic effect of micro-/nanostructures and the mechanical strength of hybrid hydrogels in general supports the stability of trapped water on the hydrogel surface, endowing hybid hydrogels with robust superoleophobicity (upper right inset) even under loading forces.

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