دورية أكاديمية
Judicious Heteroatom Doping Produces High-Performance Deep-Blue/Near-UV Multiresonant Thermally Activated Delayed Fluorescence OLEDs
| العنوان: | Judicious Heteroatom Doping Produces High-Performance Deep-Blue/Near-UV Multiresonant Thermally Activated Delayed Fluorescence OLEDs |
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| المؤلفون: | Suresh, Subeesh Madayanad, Zhang, Le, Matulaitis, Tomas, Hall, David, Si, Changfeng, Ricci, Gaetano, Slawin, Alexandra M.Z., Warriner, Stuart, Beljonne, David, Olivier, Yoann, Samuel, Ifor D.W., Zysman-Colman, Eli |
| المصدر: | Suresh , S M , Zhang , L , Matulaitis , T , Hall , D , Si , C , Ricci , G , Slawin , A M Z , Warriner , S , Beljonne , D , Olivier , Y , Samuel , I D W & Zysman-Colman , E 2023 , ' Judicious Heteroatom Doping Produces High-Performance Deep-Blue/Near-UV Multiresonant Thermally Activated Delayed Fluorescence OLEDs ' , Advanced materials , vol. 35 , no. 33 , 2300997 . https://doi.org/10.1002/adma.202300997Test |
| سنة النشر: | 2023 |
| المجموعة: | Research Portal - University of Namur / Portail de la recherche de l'Université de Namur |
| مصطلحات موضوعية: | boron, deep-blue emitters, multiresonant thermally activated delayed fluorescence (MR-TADF), near-UV emitters, organic light-emitting diodes (OLEDs) |
| الوصف: | Two multiresonant thermally activated delayed fluorescence (MR-TADF) emitters are presented and it is shown how further borylation of a deep-blue MR-TADF emitter, DIDOBNA-N, both blueshifts and narrows the emission producing a new near-UV MR-TADF emitter, MesB-DIDOBNA-N, are shown. DIDOBNA-N emits bright blue light (Φ PL = 444 nm, FWHM = 64 nm, Φ PL = 81%, τ d = 23 ms, 1.5 wt% in TSPO1). The deep-blue organic light-emitting diode (OLED) based on this twisted MR-TADF compound shows a very high maximum external quantum efficiency (EQE max ) of 15.3% for a device with CIE y of 0.073. The fused planar MR-TADF emitter, MesB-DIDOBNA-N shows efficient and narrowband near-UV emission (λ PL = 402 nm, FWHM = 19 nm, Φ PL = 74.7%, τ d = 133 ms, 1.5 wt% in TSPO1). The best OLED with MesB-DIDOBNA-N, doped in a co-host, shows the highest efficiency reported for a near-UV OLED at 16.2%. With a CIE y coordinate of 0.049, this device also shows the bluest EL reported for a MR-TADF OLED to date. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| العلاقة: | https://researchportal.unamur.be/en/publications/29f4be2a-a4db-49e0-9e0d-9c64830696ebTest |
| DOI: | 10.1002/adma.202300997 |
| الإتاحة: | https://doi.org/10.1002/adma.202300997Test https://researchportal.unamur.be/en/publications/29f4be2a-a4db-49e0-9e0d-9c64830696ebTest http://www.scopus.com/inward/record.url?scp=85164128890&partnerID=8YFLogxKTest |
| حقوق: | info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edsbas.DAECE076 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1002/adma.202300997 |
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