4.6 Article

Ester-functionalized thermally activated delayed fluorescence materials

Journal

JOURNAL OF MATERIALS CHEMISTRY C
Volume 10, Issue 12, Pages 4574-4578

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1tc04933j

Keywords

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Funding

  1. JSPS KAKENHI [JP21H04694]
  2. Murata Science Foundation
  3. Mitsubishi Foundation
  4. Kyocera Corp.
  5. cooperative Research Program of the Network Joint Research Center for Materials and Devices

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This study introduces a family of TADF materials functionalized with carboxylate esters, which demonstrate high external electroluminescence quantum efficiencies of 6.3-18.7% in non-doped organic light-emitting diodes due to their suppressed concentration-quenching effect in neat films.
A family of thermally activated delayed fluorescence (TADF) materials functionalized with carboxylate esters is presented herein. Owing to their suppressed concentration-quenching effect in neat films, these ester-functionalized TADF emitters could be applied to the fabrication of non-doped organic light-emitting diodes, demonstrating high external electroluminescence quantum efficiencies of 6.3-18.7%.

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