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Molecular asymmetry and rigidification as strategies to activate and enhance thermally activated delayed fluorescence in deep-blue MR-TADF emitters.
Weerasinghe, Rangani Wathsala; Dos Santos, John Marques; Chitose, Youhei; Matulaitis, Tomas; Warriner, Stuart L; Barman, Debasish; Chan, Chin-Yiu; Tsuchiya, Youichi; Zysman-Colman, Eli; Adachi, Chihaya.
Afiliação
  • Weerasinghe RW; Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Motooka, Nishi, Fukuoka 819-0395, Japan. tsuchiya@opera.kyushu-u.ac.jp.
  • Dos Santos JM; Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK. eli.zysman-colman@st-andrews.ac.uk.
  • Chitose Y; Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Motooka, Nishi, Fukuoka 819-0395, Japan. tsuchiya@opera.kyushu-u.ac.jp.
  • Matulaitis T; Department of Applied Chemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan. adachi@cstf.kyushu-u.ac.jp.
  • Warriner SL; Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK. eli.zysman-colman@st-andrews.ac.uk.
  • Barman D; School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK.
  • Chan CY; Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Motooka, Nishi, Fukuoka 819-0395, Japan. tsuchiya@opera.kyushu-u.ac.jp.
  • Tsuchiya Y; Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China. chinychan2@cityu.edu.hk.
  • Zysman-Colman E; Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China.
  • Adachi C; Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Motooka, Nishi, Fukuoka 819-0395, Japan. tsuchiya@opera.kyushu-u.ac.jp.
Phys Chem Chem Phys ; 26(32): 21337-21341, 2024 Aug 14.
Article em En | MEDLINE | ID: mdl-39102008
ABSTRACT
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).
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2024 Tipo de documento: Article
Texto completo
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2024 Tipo de documento: Article