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Keywords:

  • benzimidazole;
  • electroluminescence;
  • electron transport;
  • hole transport;
  • light-emitting diodes
Thumbnail image of graphical abstract

A bolt from the blue? Compounds like that shown containing benzimidazole and arylamine units exhibit intriguing ambipolar carrier-transport properties and can be used to fabricate single-layer blue-emitting electroluminescent devices with very promising performances (see picture, ITO=indium tin oxide).