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Keywords:

  • amorphous materials;
  • angle independence;
  • colloids;
  • dyes/pigments;
  • spray method
Thumbnail image of graphical abstract

Sprayed: Pigments with various angle-independent colors were prepared by a spray method (see picture), which is a remarkably simple method using submicrometer-sized silica particles and carbon black. The use of a polyelectrolyte that adheres to the particles can stabilize the structure of the colloidal amorphous arrays to create highly stressable, nonfading pigments.