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Keywords:

  • solution processing;
  • quantum dots;
  • nanoparticles;
  • tungsten oxide;
  • interfacial layer;
  • light-emitting diodes
Thumbnail image of graphical abstract

Solution-processed WO3 nanoparticlebased QLEDs are synthesized, which are highly promising for the next generation lighting and displays thanks to their narrow emission linewidth, tunable color emission spectral window across the visible to near-infrared range, and cost-effective fabrication techniques compatible with solution processed methods. As reported by H. V. Demir, X. W. Sun, and co-workers on page 247, the fully functional WO3 interfacial layers deposited from WO3 nanoparticle dispersions can be obtained by low annealing temperatures without further O2-plasma treatment. The resulting WO3 nanoparticle-based QLEDs also exhibit superior performance compared with the present PEDOT:PSS-based QLEDs.