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Intermolecular interactions in molecular crystals and their effect on thermally activated delayed fluorescence of helicene-based emitters

Journal of Materials Chemistry C, ISSN: 2050-7526, Vol: 6, Issue: 39, Page: 10557-10568
2018
  • 23
    Citations
  • 0
    Usage
  • 44
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    23
    • Citation Indexes
      23
  • Captures
    44

Article Description

Here, we discuss the influence of the crystal structure on the photophysical properties of two new TADF emitters containing a non-planar helical moiety. The presence of solvent in the crystal lattice of a diaza[5]helicene-based compound alters molecular packing significantly and suppresses aggregation. This results in more intense TADF emission and an increase in PLQY. Solution-processed OLED devices gave a maximum external quantum efficiency of 7.1%.

Bibliographic Details

Anastasia Klimash; Peter J. Skabara; Piotr Pander; Przemyslaw Data; Fernando B. Dias; Wim T. Klooster; Simon J. Coles

Royal Society of Chemistry (RSC)

Chemistry; Materials Science

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