Boron atom; Boron-doped; Boron-oxygen; Deep blue; Multiresonance; Narrow bands; Nitrogen-doped; Oxygen-doped; Performance; Thermally activated delayed fluorescences; Catalysis; Electronic, Optical and Magnetic Materials; Ceramics and Composites; Chemistry (all); Surfaces, Coatings and Films; Metals and Alloys; Materials Chemistry; General Earth and Planetary Sciences; General Environmental Science
Abstract :
[en] Two new deep-blue narrowband multi-resonant emitters, 1B-DTACrs and 2B-DTACrs, one of which shows thermally activated delayed fluorescence (TADF), based on boron, nitrogen, and oxygen doped nanographenes are reported. Devices based on 2B-DTACrs showed an EQEmax of 14.8% and CIE coordinates of (0.150, 0.044), which are very close to the BT.2020 requirement for blue pixels.
Disciplines :
Chemistry
Author, co-author :
Chan, Chin-Yiu; Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Motooka, Nishi, Fukuoka 819-0395, Japan. chinyiu.chan@opera.kyushu-u.ac.jp
Madayanad Suresh, Subeesh; Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK. eli.zysman-colman@st-andrews.ac.uk
Lee, Yi-Ting; Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Motooka, Nishi, Fukuoka 819-0395, Japan. chinyiu.chan@opera.kyushu-u.ac.jp
Tsuchiya, Youichi ; Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Motooka, Nishi, Fukuoka 819-0395, Japan. chinyiu.chan@opera.kyushu-u.ac.jp
Matulaitis, Tomas; Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK. eli.zysman-colman@st-andrews.ac.uk
Hall, David ; Université de Mons - UMONS ; Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK. eli.zysman-colman@st-andrews.ac.uk
Slawin, Alexandra M Z ; Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK. eli.zysman-colman@st-andrews.ac.uk
Warriner, Stuart; School of Chemistry, University of Leeds, Woodhouse Lane, Leeds, UK
Beljonne, David ; Université de Mons - UMONS > Faculté des Science > Service de Chimie des matériaux nouveaux
Olivier, Yoann ; Université de Mons - UMONS > Faculté des Science > Service de Chimie des matériaux nouveaux ; Laboratory for Computational Modeling of Functional Materials, Namur Institute of Structured Matter, Université de Namur, Rue de Bruxelles, 61, B-5000 Namur, Belgium
Adachi, Chihaya ; Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Motooka, Nishi, Fukuoka 819-0395, Japan. chinyiu.chan@opera.kyushu-u.ac.jp ; International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan. adachi@cstf.kyushu-u.ac.jp
Zysman-Colman, Eli ; Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK. eli.zysman-colman@st-andrews.ac.uk
Language :
English
Title :
Two boron atoms versus one: high-performance deep-blue multi-resonance thermally activated delayed fluorescence emitters.
R400 - Institut de Recherche en Science et Ingénierie des Matériaux Complexys
Funders :
Royal Society Gouvernement Wallon Leverhulme Trust H2020 Marie Skłodowska-Curie Actions Japan Society for the Promotion of Science Fonds De La Recherche Scientifique - FNRS Engineering and Physical Sciences Research Council
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