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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c01473
|2 doi
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|a eng
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|a Han, Dongxue
|e verfasserin
|4 aut
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|a Reversible Chiral Optical Switching Based on Co-Assembled Spiropyran Gels
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|c 2022
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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 15.11.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a In recent years, it has been very interesting to dynamically adjust the emission of circularly polarized luminescence (CPL) materials through external stimulation due to their applications and the fundamental interest in them. In this work, luminescence-tunable and light-responsive supramolecular co-assembly CPL-active materials are fabricated by mixing an achiral functional spiropyran (SP-COOH) molecule with a chiral gelator. The spiropyran achieves a reversible change between a white closed ring state spiropyran and a purple zwitterionic merocyanine state in supramolecular co-assembly gels under alternate visible (vis) and ultraviolet (UV) light irradiation. The gel shows strong CPL signals due to the chirality transfer in co-assembly systems. These signals could change reversibly under alternate exposure to UV and vis light. Therefore, utilizing the multistimulus-responsive CPL signals in different states, a CPL switch of the supramolecular system signal according to the combinatorial control of UV-vis light irradiation is constructed
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|a Journal Article
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|a Jiao, Tifeng
|e verfasserin
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 45 vom: 15. Nov., Seite 13668-13673
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|x 1520-5827
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|g volume:38
|g year:2022
|g number:45
|g day:15
|g month:11
|g pages:13668-13673
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|u http://dx.doi.org/10.1021/acs.langmuir.2c01473
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