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  1. Home
  3. Robust Shape-memory Chiral Photonic Elastomers With Multi-stimuli Responsiveness.
  1. Home
  3. Robust Shape-memory Chiral Photonic Elastomers With Multi-stimuli Responsiveness.

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Robust Shape-Memory Chiral Photonic Elastomers With Multi-Stimuli Responsiveness.

Jin Wang1, Zhen-Peng Song2, Yu-Xuan Li1

  • 1School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
|May 2, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Researchers developed a new shape-memory chiral photonic material. This robust, stretchable elastomer offers tunable structural colors and luminescence for advanced optical encryption and sensing applications.

Keywords:
cholesteric elastomermultiple responsivenessstructural colortriplet‐triplet annihilation upconversion

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Area of Science:

  • Materials Science
  • Photonics
  • Polymer Chemistry

Background:

  • Stimuli-responsive materials are crucial for advanced photonics.
  • Achieving multi-dimensional control and high robustness in these materials is challenging.
  • Existing photonic materials often lack programmability and stability.

Purpose of the Study:

  • To develop a novel shape-memory chiral photonic platform with multi-stimuli-responsiveness.
  • To engineer a material with programmable optical properties for high-dimensional information encryption.
  • To explore applications in wearable sensors, adaptive optics, and camouflage.

Main Methods:

  • Synthesizing a cholesteric elastomer with controlled crosslinking density and triplet-triplet annihilation upconversion.
  • Inducing a thermally resettable shape memory effect on structural colors via mechanical force.
  • Covalently incorporating annihilators to ensure system homogeneity and stability.

    • Main Results:

    • Demonstrated a shape-memory effect on structural colors with a 259 nm blueshift over 215% strain.
    • Achieved exceptional stretchability and enhanced optical properties.
    • Showcased programmable optical properties (chiral, thermal, mechanical) and photoactivated luminescence.

    Conclusions:

    • The developed material offers a versatile strategy for cutting-edge optical encryption.
    • The platform enables high-dimensional information encryption through scalable spray-printing.
    • This work paves the way for next-generation wearable sensors, adaptive optical devices, and interactive camouflage.