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Light-regulated growth from dynamic swollen substrates for making rough surfaces

Author

Listed:
  • Lulu Xue

    (INM - Leibniz Institute for New Materials)

  • Xinhong Xiong

    (INM - Leibniz Institute for New Materials)

  • Baiju P. Krishnan

    (INM - Leibniz Institute for New Materials)

  • Fatih Puza

    (INM - Leibniz Institute for New Materials)

  • Sheng Wang

    (INM - Leibniz Institute for New Materials)

  • Yijun Zheng

    (ShanghaiTech University)

  • Jiaxi Cui

    (INM - Leibniz Institute for New Materials
    University of Electronic Science and Technology of China)

Abstract

Natural organic structures form via a growth mode in which nutrients are absorbed, transported, and integrated. In contrast, synthetic architectures are constructed through fundamentally different methods, such as assembling, molding, cutting, and printing. Here, we report a photoinduced strategy for regulating the localized growth of microstructures from the surface of a swollen dynamic substrate, by coupling photolysis, photopolymerization, and transesterification together. Photolysis is used to generate dissociable ionic groups to enhance the swelling ability that drives nutrient solutions containing polymerizable components into the irradiated region, photopolymerization converts polymerizable components into polymers, and transesterification incorporates newly formed polymers into the original network structure. Such light-regulated growth is spatially controllable and dose-dependent and allows fine modulation of the size, composition, and mechanical properties of the grown structures. We also demonstrate the application of this process in the preparation of microstructures on a surface and the restoration of large-scale surface damage.

Suggested Citation

  • Lulu Xue & Xinhong Xiong & Baiju P. Krishnan & Fatih Puza & Sheng Wang & Yijun Zheng & Jiaxi Cui, 2020. "Light-regulated growth from dynamic swollen substrates for making rough surfaces," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14807-x
    DOI: 10.1038/s41467-020-14807-x
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    Cited by:

    1. Qifeng Mu & Kunpeng Cui & Zhi Jian Wang & Takahiro Matsuda & Wei Cui & Hinako Kato & Shotaro Namiki & Tomoko Yamazaki & Martin Frauenlob & Takayuki Nonoyama & Masumi Tsuda & Shinya Tanaka & Tasuku Nak, 2022. "Force-triggered rapid microstructure growth on hydrogel surface for on-demand functions," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Xiaozhuang Zhou & Yijun Zheng & Haohui Zhang & Li Yang & Yubo Cui & Baiju P. Krishnan & Shihua Dong & Michael Aizenberg & Xinhong Xiong & Yuhang Hu & Joanna Aizenberg & Jiaxi Cui, 2023. "Reversibly growing crosslinked polymers with programmable sizes and properties," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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