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  11. Biomimetic Photonic Elastomer Exhibiting Stress/moisture Reconfigurable Wrinkle-lattice For Reversible Deformation Information Storage

Biomimetic Photonic Elastomer Exhibiting Stress/Moisture Reconfigurable Wrinkle-Lattice for Reversible Deformation Information Storage

Ruicheng Lin1, Donghui Kou1, Lei Gao1

  • 1State Key Laboratory of Fine Chemicals, Frontier Science Center for Smart Materials, Dalian University of Technology, Dalian 116024, Liaoning, P. R. China.

ACS Nano
|May 10, 2024

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View abstract on PubMed

Summary
This summary is machine-generated.

This study introduces a novel photonic elastomer that records deformation as color changes. Inspired by cephalopods, it uses a stress- and moisture-triggered wrinkling effect for reversible deformation storage and color readout, enabling advanced smart material applications.

Area of Science:

  • Materials Science
  • Polymer Science
  • Optics

Background:

  • Photonic elastomers offer potential for smart materials by visualizing deformations.
  • Accurately recording instantaneous deformation is challenging due to information loss upon recovery.

Purpose of the Study:

  • To develop a photonic elastomer capable of recording and preserving deformation information.
  • To introduce a stress- and moisture-triggered wrinkling and erasure mechanism for reversible deformation storage.

Main Methods:

  • Constructed a photonic elastomer using a dual-network polymer framework with a surface one-dimensional photonic crystal (1DPC) and a poly(dimethylsiloxane) (PDMS) substrate.
  • Utilized substrate deformation mismatch to induce a wrinkled state in the 1DPC, preserving color information via hydrogen bonding and crystalline shape-locking.
Keywords:
deformation information storagemechanochromismmoisture responsesphotonic elastomers

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  • Leveraged the moisture-induced shape-memory feature of the 1DPC for color restoration.

    • Main Results:

    • The photonic elastomer successfully preserves strain-induced structural color information through a wrinkling mechanism.
    • The stored color information can be read to determine deformation degree and distribution.
    • Reversible deformation storage and color restoration were achieved using moisture triggers like humidity changes or perspiration.

    Conclusions:

    • The developed photonic elastomer demonstrates a novel approach for recording and retrieving deformation data.
    • The stress/moisture-responsive material with a reconfigurable wrinkle-lattice shows promise for mechanical sensing, inkless writing, and anticounterfeiting applications.
    • This work significantly expands the versatility of photonic materials for advanced applications.
    reconfigurable wrinkle-lattice