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|a 10.1002/adma.202311857
|2 doi
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|a eng
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|a Zhong, Xiao-Sheng
|e verfasserin
|4 aut
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|a Circularly Polarized Organic Light-Emitting Diodes Based on Chiral Hole Transport Enantiomers
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|c 2024
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 02.05.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a The circularly polarized organic light-emitting diodes (CP-OLEDs) demonstrate promising application in 3D display due to the direct generation of circularly polarized electroluminescence (CPEL). But the chiral luminescence materials face challenges as intricated synthetic route, enantiomeric separation, etc. Herein, fresh CP-OLEDs are designed based on chiral hole transport material instead of chiral emitters. A pair of hole transport enantiomers (R/S-NPACZ) exhibit intense dissymmetry factors (|gPL|) about 5.0 × 10-3. With R/S-NPACZ as hole transport layers, CP-OLEDs are fabricated employing six achiral phosphorescence and thermally activated delayed fluorescence (TADF) materials with different wavelengths, in consistence with the generated CPEL spectra. The CP-OLEDs based on achiral red, green, and blue iridium(III) complexes exhibit external quantum efficiencies (EQEs) of 14.9%, 30.7%, and 14.1% with |gEL| factors of 8.8 × 10-4, 2.3 × 10-3, and 2.0 × 10-3, respectively. Moreover, the devices using achiral blue, blueish-green, and green TADF materials display EQEs of 24.1%, 17.9%, and 25.4% with |gEL| factors of 1.0 × 10-3, 3.6 × 10-3, and 2.2 × 10-3, respectively. As far as known, it is the first example of CP-OLEDs based on chiral hole transport materials, which act as the organic circularly polarizers and have potential to generate CPEL from achiral luminescence materials
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|a Journal Article
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|a achiral luminescence material
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|a chiral hole transport material
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|a circularly polarized electroluminescence
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|a circularly polarized organic light‐emitting diode
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|a organic circularly polarizer
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|a Yuan, Li
|e verfasserin
|4 aut
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|a Liao, Xiang-Ji
|e verfasserin
|4 aut
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| 700 |
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|a Hu, Jia-Jun
|e verfasserin
|4 aut
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| 700 |
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|a Xing, Shuai
|e verfasserin
|4 aut
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| 700 |
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|a Song, Shi-Quan
|e verfasserin
|4 aut
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| 700 |
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|a Xi, Jia-Qi
|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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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 18 vom: 01. Mai, Seite e2311857
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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|g volume:36
|g year:2024
|g number:18
|g day:01
|g month:05
|g pages:e2311857
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|u http://dx.doi.org/10.1002/adma.202311857
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