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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202304032
|2 doi
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|a eng
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|a Peng, Fang
|e verfasserin
|4 aut
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|a Color-Tunable, Excitation-Dependent, and Water Stimulus-Responsive Room-Temperature Phosphorescence Cellulose for Versatile Applications
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|c 2023
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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 12.02.2024
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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 Smart-response materials with ultralong room-temperature phosphorescence (RTP) are highly desirable, but they have rarely been described, especially those originating from sustainable polymers. Herein, a variety of cellulose derivatives with 1,4-dihydropyridine (DHP) rings are synthesized through the Hantzsch reaction, giving impressive RTP with a long lifetime of up to 1251 ms. Specifically, the introduction of acetoacetyl groups and DHP rings promotes the spin-orbit coupling and intersystem crossing process; and multiple interactions between cellulose induce clustering and inhibit the nonradiative transitions, boosting long-live RTP. Furthermore, the resulting transparent and flexible cellulose films also exhibit excitation-dependent and color-tunable afterglows by introducing different extended aromatic groups. More interestingly, the RTP performance of these films is sensitive to water and can be repeated in response to wet/dry stimuli. Inspired by these advantages, the RTP cellulose demonstrates advanced applications in information encryption and anti-counterfeiting. This work not only enriches the photophysical properties of cellulose but also provides a versatile platform for the development of sustainable afterglows
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|a Journal Article
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|a cellulose
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|a multicomponent reaction
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|a room-temperature phosphorescence
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|a smart-response materials
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1 |
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|a Chen, Yian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Hongchen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Pan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Feng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Haisong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 46 vom: 27. Nov., Seite e2304032
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:35
|g year:2023
|g number:46
|g day:27
|g month:11
|g pages:e2304032
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|u http://dx.doi.org/10.1002/adma.202304032
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