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Keywords:

  • Color-stability;
  • Cross-linked films;
  • Multilayer electrochemical polymerization;
  • White electroluminescence
Thumbnail image of graphical abstract

We report a novel multilayer electrochemical polymerization method and the first color-stable polymer-based multilayer white-emissive device, which exhibited CIE coordinates of (0.35, 0.35), a CRI of 93 and extremely stable white-light emission over a wide range of driving voltages of 8 to 20 V. The multilayer electrochemical polymerization method affords more opportunities to develop multilayer polymer heterostructures in organic solid-state devices.