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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202007476
|2 doi
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|a pubmed24n1073.xml
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|a eng
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| 100 |
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|a Ma, Xin-Kun
|e verfasserin
|4 aut
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|a Supramolecular Pins with Ultralong Efficient Phosphorescence
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|c 2021
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|a Text
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|a ƒaComputermedien
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|a Date Completed 12.04.2021
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|a Date Revised 12.04.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a Constructing ultralong organic phosphorescent materials possessing a high quantum yield is challenging. Herein, assemblies of purely organic supramolecular pins composed of alkyl-bridged phenylpyridinium salts and cucurbit[8]uril (CB[8]) are reported. Different from "one host with two guests" and "head-to-tail" binding, the binding formation of supramolecular pins is "one host with one guest" and "head-to-head," which overcomes electrostatic repulsion and promotes intramolecular charge transfer. The supramolecular pin 1/CB[8] displays afterglow with high phosphorescence quantum yield (99.38%) after incorporation into a rigid matrix, which is the highest yield reported to date for phosphorescent materials. Moreover, multicolor photoluminescence can be obtained by different excitation wavelengths and ratios of host to guest. Owing to the redshift of the absorption, the supramolecular pins are applied for targeted phosphorescence imaging of mitochondria. This work will provide a reasonable supramolecular strategy to achieve redshifted and efficient phosphorescence both in the solid state and in aqueous solution
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|a Journal Article
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|a intramolecular charge transfer
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|a phosphorescence
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|a supramolecular pins
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|a Zhang, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Zhixue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Haoyang
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Bing
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Yu
|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 33(2021), 14 vom: 20. Apr., Seite e2007476
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|x 1521-4095
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|g volume:33
|g year:2021
|g number:14
|g day:20
|g month:04
|g pages:e2007476
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|u http://dx.doi.org/10.1002/adma.202007476
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