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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201704961
|2 doi
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|a pubmed24n0929.xml
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|a (DE-627)NLM278839126
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|a (NLM)29218854
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|a DE-627
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|e rakwb
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|a eng
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|a Zeng, Weixuan
|e verfasserin
|4 aut
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|a Achieving Nearly 30% External Quantum Efficiency for Orange-Red Organic Light Emitting Diodes by Employing Thermally Activated Delayed Fluorescence Emitters Composed of 1,8-Naphthalimide-Acridine Hybrids
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 01.08.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The combination of rigid acridine donor and 1,8-naphthalimide acceptor has afforded two orange-red emitters of NAI-DMAC and NAI-DPAC with high rigidity in molecular structure and strongly pretwisted charge transfer state. Endowed with high photoluminescence quantum yields (ΦPL ), distinct thermally activated delayed fluorescence (TADF) characteristics, and preferentially horizontal emitting dipole orientations, these emitters afford record-high orange-red TADF organic light-emitting diodes (OLEDs) with external quantum efficiencies of up to 21-29.2%, significantly surpassing all previously reported orange-to-red TADF OLEDs. Notably, the influence of microcavity effect is verified to support the record-high efficiency. This finding relaxes the usually stringent material requirements for effective TADF emitters by comprising smaller radiative transition rates and less than ideal ΦPL s
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|a Journal Article
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|a horizontally oriented dipoles
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|a microcavity effects
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|a organic light-emitting diodes
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|a thermally activated delayed fluorescence
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|a Lai, Hsin-Yu
|e verfasserin
|4 aut
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|a Lee, Wei-Kai
|e verfasserin
|4 aut
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|a Jiao, Min
|e verfasserin
|4 aut
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|a Shiu, Yi-Jiun
|e verfasserin
|4 aut
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|a Zhong, Cheng
|e verfasserin
|4 aut
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1 |
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|a Gong, Shaolong
|e verfasserin
|4 aut
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|a Zhou, Tao
|e verfasserin
|4 aut
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|a Xie, Guohua
|e verfasserin
|4 aut
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|a Sarma, Monima
|e verfasserin
|4 aut
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|a Wong, Ken-Tsung
|e verfasserin
|4 aut
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|a Wu, Chung-Chih
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Chuluo
|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 30(2018), 5 vom: 23. Feb.
|w (DE-627)NLM098206397
|x 1521-4095
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|g volume:30
|g year:2018
|g number:5
|g day:23
|g month:02
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|u http://dx.doi.org/10.1002/adma.201704961
|3 Volltext
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