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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202305125
|2 doi
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|a pubmed24n1198.xml
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|a (DE-627)NLM35961809X
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|a (NLM)37461260
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Wang, Qingyang
|e verfasserin
|4 aut
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|a Constructing Highly Efficient Circularly Polarized Multiple-Resonance Thermally Activated Delayed Fluorescence Materials with Intrinsically Helical Chirality
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.10.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Advanced circularly polarized multiple-resonance thermally activated delayed fluorescence (CP-MR-TADF) materials synergize the advantages of circularly polarized luminescence (CPL), narrowband emission, and the TADF characteristic, which can be fabricated into highly efficient circularly polarized organic light-emitting diodes (CP-OLEDs) with high color purity, directly facing the urgent market strategic demand of ultrahigh-definition and 3D displays. In this work, based on an edge-topology molecular-engineering (ETME) strategy, a pair of high-performance CP-MR-TADF enantiomers, (P and M)-BN-Py, is developed, which merges the intrinsically helical chirality into the MR framework. The optimized CP-OLEDs with (P and M)-BN-Py emitters and the newly developed ambipolar transport host PhCbBCz exhibit pure green emission with sharp peaks of 532 nm, full-width at half-maximum (FWHM) of 37 nm, and Commission Internationale de L'Eclairage (CIE) coordinates of (0.29, 0.68). Importantly, they achieve remarkable maximum external quantum efficiencies (EQEs) of 30.6% and 29.2%, and clear circularly polarized electroluminescence (CPEL) signals with electroluminescence dissymmetry factors (gEL s) of -4.37 × 10-4 and +4.35 × 10-4 for (P)-BN-Py and (M)-BN-Py, respectively
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|a Journal Article
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|a circularly polarized luminescence
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|a multiple resonance
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|a narrowband emission
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|a organic light-emitting diodes
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|a thermally activated delayed fluorescence
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|a Yuan, Li
|e verfasserin
|4 aut
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| 700 |
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|a Qu, Cheng
|e verfasserin
|4 aut
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| 700 |
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|a Huang, Tingting
|e verfasserin
|4 aut
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|a Song, Xiaoxian
|e verfasserin
|4 aut
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|a Xu, Yincai
|e verfasserin
|4 aut
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| 700 |
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|a Zheng, You-Xuan
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Yue
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 42 vom: 01. Okt., Seite e2305125
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:42
|g day:01
|g month:10
|g pages:e2305125
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|u http://dx.doi.org/10.1002/adma.202305125
|3 Volltext
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