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Keywords:

  • Displays;
  • Electrochromic materials;
  • Mesoporous materials;
  • Titania
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The preparation of switchable, high-resolution (360 dpi) electrochromic pictures in sealed transparent and reflective cells is described. Viologens were inkjet printed, chemically amplified, and crosslinked on mesoporous TiO2 thick-film electrodes (see Figure). As a counter electrode, e.g., optically transparent and electrochemically fast CeO2 on mesoporous antimony tin oxide was used.