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STRUCTURAL COLOUR

The colour of stress

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Periodic nanostructures create brilliant colours, termed structural colouration, through light scattering and refraction. Now, using a simple and scalable method, stress- and strain-induced dynamic colour shifts are realized in stretchable polymers.

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Fig. 1: Dynamic colour-changing photonic materials.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Seoul National University, Seoul, South Korea

    Daeyeon Won & Seung Hwan Ko

  2. Institute of Engineering Research, Seoul National University, Seoul, South Korea

    Seung Hwan Ko

Authors
  1. Daeyeon Won
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  2. Seung Hwan Ko
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Correspondence to Seung Hwan Ko.

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The authors declare no competing interests.

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Won, D., Ko, S.H. The colour of stress. Nat. Mater. 21, 997–998 (2022). https://doi.org/10.1038/s41563-022-01337-8

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