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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202210551
|2 doi
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|a pubmed24n1169.xml
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|a (DE-627)NLM350910952
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|a (NLM)36579725
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhang, Tianze
|e verfasserin
|4 aut
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|a Tunable Photochromism of Spirooxazine in the Solid State
|b A New Design Strategy Based on the Hypochromic Effect
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|c 2023
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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 20.03.2023
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|a Date Revised 20.03.2023
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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 As an important organic photofunctional material, spirooxazine (SO) usually does not exhibit photochromism in the solid state since the intermolecular π-π stacking impedes photoisomerization. Developing photochromic SO in the solid state is crucial for practical applications but is still full of challenges. Here, a series of spirooxazine derivatives (SO1-SO4) with bulky aromatic substituents at the 4- and 7-positions of the skeleton, which provide them with a large volume with which to undergo solid-state photochromism under mild conditions, is designed and synthesized. All the compounds SO1-SO4 exhibit tunable solid photochromism without ground colors, excellent fatigue resistance, and high thermal stability. Notably, it takes only 15 s for SO4 to reach the saturation of absorption intensity, thought to represent the fastest solid-state photoresponse of spirooxazines. X-ray crystal structures of the intermediate compound SO0 and the products SO1-SO2 as well as computational studies suggest that the bulky aromatic groups can lead to a hypochromic effect, allowing for the photochromism of SO in the solid state. The ideal photochromic properties of these spirooxazines open a new avenue for their applications in UV printing, quick response code, and related fields
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|a Journal Article
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|a molecular switches
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|a optical materials
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|a organic functional materials
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|a photochromism
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|a spirooxazines
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|a Lou, Xin-Yue
|e verfasserin
|4 aut
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| 700 |
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|a Li, Xiaoyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tu, Xi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Jie
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Bin
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Ying-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), 11 vom: 09. März, Seite e2210551
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:11
|g day:09
|g month:03
|g pages:e2210551
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|u http://dx.doi.org/10.1002/adma.202210551
|3 Volltext
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