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Large-Scale Fabrication of Bioinspired Fibers for Directional Water Collection

Authors

  • Hao Bai,

    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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  • Ruize Sun,

    1. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University (BUAA), Beijing, 100191, P.R. China
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  • Jie Ju,

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

    1. College of Chemistry, Jilin University, Changchun, 130012, P.R. China
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  • Yongmei Zheng,

    Corresponding author
    1. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University (BUAA), Beijing, 100191, P.R. China
    • Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University (BUAA), Beijing, 100191, 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 (ICCAS), Beijing, 100190, P.R. China
    • Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing, 100190, P.R. China.
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Abstract

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Spider-silk inspired functional fibers with periodic spindle-knots and the ability to collect water in a directional manner are fabricated on a large scale using a fluid coating method. The fabrication process is investigated in detail, considering factors like the fiber-drawing velocity, solution viscosity, and surface tension. These bioinspired fibers are inexpensive and durable, which makes it possible to collect water from fog in a similar manner to a spider's web.

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