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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202306501
|2 doi
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|a pubmed24n1226.xml
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|a (NLM)37793797
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|a DE-627
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|a eng
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|a Gao, Yanhua
|e verfasserin
|4 aut
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|a Regulating Isolated-Molecular and Aggregated-State Phosphorescence for Multicolor Afterglow by Photoactivation
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|c 2023
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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 08.12.2023
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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 Ultralong organic phosphorescence (UOP) materials have attracted considerable attention in recent years. Herein, a new type of flexible films is fabricated by doping amphipathic pyrene tetrasulfonic acid sodium salts into amorphous poly(vinyl alcohol) matrix, which enables the realization of color-tunable UOP spanning from orange-red to green after excitation light is switched off. Interestingly, precise control of the proportion of isolated-molecular and aggregated-state phosphorescence is demonstrated for colorful afterglow using photo-activation. An increase in the dynamic phosphorescence lifetime of isolated molecules is observed from 894.75 to 1735.71 ms following an 8 min irradiation under ambient conditions. The photo-activation, however, showed little influence on aggreated-state phosphorescence. This flexible and processable film exhibits versatile applications in multicolor afterglow displays, ultraviolet detection, multilevel information encryption, etc. This study not only provides a strategy for the rational regulation of UOP colors but also expands the application potential of color-tunable UOP materials
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|a Journal Article
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|a aggregated-state phosphorescence
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|a amphipathic organic salts
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|a isolated-molecular state phosphorescence
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|a photo-activation
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|a ultralong organic phosphorescence
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|a Ye, Wenpeng
|e verfasserin
|4 aut
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|a Qiu, Kefan
|e verfasserin
|4 aut
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|a Zheng, Xifang
|e verfasserin
|4 aut
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|a Yan, Shuanma
|e verfasserin
|4 aut
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|a Wang, Zhaoyu
|e verfasserin
|4 aut
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|a An, Zhongfu
|e verfasserin
|4 aut
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|a Shi, Huifang
|e verfasserin
|4 aut
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| 700 |
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|a Huang, Wei
|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 35(2023), 49 vom: 04. Dez., Seite e2306501
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:49
|g day:04
|g month:12
|g pages:e2306501
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|u http://dx.doi.org/10.1002/adma.202306501
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