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Keywords:

  • opals;
  • self-assembly;
  • polymers;
  • photonic crystals
Thumbnail image of graphical abstract

Permanent ordering of sub-micrometer polymeric spheres by edge rotational shearing is reported. The resulting high-quality, bulk, 3D-ordered polymer opal thin-films exhibit strikingly intense, tuneable structural color, which is applicable for photonics, metamaterials, nanoassembly, and structural color applications