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240608s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202400158
|2 doi
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|a pubmed24n1482.xml
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Jin, Pengfei
|e verfasserin
|4 aut
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| 245 |
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|a Stepwise Charge/Energy Transfer in MR-TADF Molecule-Doped Exciplex for Ultralong Persistent Luminescence Activated with Visible Light
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|c 2024
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|a Text
|b txt
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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 25.07.2024
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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 Organic long-persistent luminescence (OLPL), which relies on energy storage for delayed light emission by the charge separation state, has attracted intense attention in various optical applications. However, charge separation (CS) is efficient only under ultraviolet excitation in most OLPL systems because it requires a driving force from the large energy difference between the local excited (LE) and charge transfer (CT) states. In this study, a multiresonance thermally activated delayed fluorescence (MR-TADF) molecule is incorporated into an exciplex system to achieve efficient OLPL in a composite material activated by visible light via a stepwise charge/energy transfer process. The enhanced absorption of the composite material facilitated a tenfold increase in the duration of the OLPL, which can last for several hours under visible light excitation. The excited state of the MR-TADF molecule tends to charge transfer to the acceptor, followed by energy transfer to the exciplex, which benefits from the small difference between the LE and CT states owing to the inherent CS characteristics of the opposing resonance effect. Afterglow displays of these composite materials are fabricated to demonstrate their considerable potential in encryption patterns and emergency lights, which take advantage of their excellent processability, visible light activation, and tunable luminescence properties
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|a Journal Article
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|a charge transfer
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4 |
|a exciplex
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4 |
|a magnetic field effect
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|a multiresonance
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|a organic long‐persistent luminescence
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1 |
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|a Wei, Xiaofang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yin, Baipeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Lixin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Yunlong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Chuang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 30 vom: 25. Juli, Seite e2400158
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:30
|g day:25
|g month:07
|g pages:e2400158
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202400158
|3 Volltext
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