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Keywords:

  • Defect states;
  • Layer-by-layer assembly;
  • Photonic crystals, colloidal;
  • Polyelectrolytes
Thumbnail image of graphical abstract

Chemically active polyelectrolyte planar defects (see Figure) are embedded into colloidal photonic crystals using both direct-coating and transfer-printing techniques. These planar defects introduce a transmitting state within the photonic stop band, which is dynamically adjusted with nanometer precision by pressure-controlled selective vapor sorption.