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Keywords:

  • block copolymers;
  • macromonomers;
  • photonic crystals;
  • ring-opening polymerization;
  • self-assembly
Thumbnail image of graphical abstract

Colorful: Enabled by their reduced capacity for chain entanglement, high-molecular-weight brush block copolymers can rapidly self-assemble to photonic crystals. The blending of two polymers of different molecular weight can predictably modulate the sizes of the polymer domains, giving rise to a facile means of precision tuning of these photonic-band-gap materials.