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  • Chiral Photonic Cellulose Films Enabling Mechano/Chemo Responsive Selective Reflection of Circularly Polarized Light

    Author(s)
    Qu, Dan
    Zheng, Hongzhi
    Jiang, Haijing
    Xu, Yan
    Tang, Zhiyong
    Griffith University Author(s)
    Tang, Zhiyong
    Year published
    2019
    Metadata
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    Abstract
    Stimuli-responsive selective reflection of circularly polarized light in a broad wavelength range is of significance from scientific and technological viewpoints. Herein, chiral photonic cellulose films are fabricated which exhibit selective reflection of circularly polarized light responsive to mechanical and chemical stimuli. The chiral photonic cellulose films are highly deformable with the strain-at-break up to 40.8%, which is the highest among reported chiral photonic cellulose films. Selective reflection of left-handed circularly polarized light responsive to bending and uniaxial tensioning across the entire visible ...
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    Stimuli-responsive selective reflection of circularly polarized light in a broad wavelength range is of significance from scientific and technological viewpoints. Herein, chiral photonic cellulose films are fabricated which exhibit selective reflection of circularly polarized light responsive to mechanical and chemical stimuli. The chiral photonic cellulose films are highly deformable with the strain-at-break up to 40.8%, which is the highest among reported chiral photonic cellulose films. Selective reflection of left-handed circularly polarized light responsive to bending and uniaxial tensioning across the entire visible spectrum is demonstrated, as well as reversible response to water vapor (10–100% relative humidity) from the visible to the near-infrared region with Δλ max = 492 nm. The stimuli response is realized by alterable helical organization based on supramolecular chemistry. The current work provides a general strategy for rational design of multistimuli-responsive selective reflection of circularly polarized light, and a soft material platform for scalable camouflaging and security materials.
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    Journal Title
    Advanced Optical Materials
    Volume
    7
    Issue
    7
    DOI
    https://doi.org/10.1002/adom.201801395
    Subject
    Atomic, molecular and optical physics
    Materials engineering
    Publication URI
    http://hdl.handle.net/10072/385817
    Collection
    • Journal articles

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