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Keywords:

  • electrochromics;
  • photonic crystals;
  • nanoparticle thin films;
  • nanoporous bragg mirrors;
  • tuneable color
Thumbnail image of graphical abstract

The colloidal assembly of a nanoporous electrochromic 1D Bragg mirror comprising NiO and WO3 nanoparticle multilayers enables the convolution of electrically tunable electronic crystals and photonic crystals into a single device, providing thereby a distinctive means of creating and manipulating color.