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Molecular asymmetry and rigidification as strategies to activate and enhance thermally activated delayed fluorescence in deep-blue MR-TADF emitters

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  • معلومة اضافية
    • Contributors:
      EPSRC; UK Research and Innovation; University of St Andrews.School of Chemistry; University of St Andrews.Institute of Behavioural and Neural Sciences; University of St Andrews.Centre for Energy Ethics; University of St Andrews.Organic Semiconductor Centre; University of St Andrews.EaSTCHEM
    • الموضوع:
      2024
    • Collection:
      University of St Andrews: Digital Research Repository
    • نبذة مختصرة :
      Funding; This work was supported financially by Kyulux Inc, JSPS Grant-in-Aid for Specially Promoted Research (23H05406), JST CREST (JPMJCR22B3), JSPS KAKENHI (23K20039), ESPRC (EP/R035164/1, EP/W007517/1), City University of Hong Kong (Project No. 9610637 and 9231531). ; Two novel deep-blue multi-resonance thermally activated delayed fluorescence (MR-TADF) emitters, 1B-CzCrs and 2B-CzCrs, containing a fused carbazole unit were synthesized. The carbazole contributed to the emergence of TADF in these small molecules. Particularly, organic light-emitting diodes with 1B-CzCrs doped in the mCP host achieve a maximum external quantum efficiency of 12.8% at CIE coordinates of (0.146, 0.062). ; Peer reviewed
    • File Description:
      application/pdf
    • Relation:
      Physical Chemistry Chemical Physics; 307850590; 85200784425; RIS: urn:C41D53BFE8AF51A687270B66A7D0ABE5; https://hdl.handle.net/10023/30492; EP/R035164/1; EP/W007517/1
    • الرقم المعرف:
      10.1039/D4CP02664K
    • الدخول الالكتروني :
      https://hdl.handle.net/10023/30492
      https://doi.org/10.1039/D4CP02664K
    • Rights:
      Copyright © 2024 The Authors. Open Access. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
    • الرقم المعرف:
      edsbas.1384EEA8