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Keywords:

  • electrochemistry;
  • electrochromic materials;
  • metal–organic frameworks;
  • naphthalene diimide;
  • thin films
Thumbnail image of graphical abstract

Metal–organic frameworks: The solvothermal reaction of Zn2+ ions and bis- (pyrazolyl)naphthalene diimide readily affords strongly adhering, electroactive metal–organic framework thin films on conductive glass substrates (see picture). Electrochemical cycling of these films followed by in situ UV/Vis spectroscopy reveals striking multicolored electrochromic responses.