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Keywords:

  • Anti-reflective surfaces;
  • Colloids, polymeric;
  • Layer-by-layer assembly;
  • Polyelectrolytes;
  • Self-assembling materials

Fabrication of motheye-like colloidal surface patterns as an antireflection coating is presented. Using layer-by-layer assembly and a novel colloid-on-colloid stamping strategy, snowman-like patterns consisting of different-sized colloids were fabricated (see Figure). The pattern spacing and height can be easily tailored by varying the salt concentration and the number of colloidal layers attached, respectively.