A dual pH-responsive supramolecular gelator with aggregation-induced emission properties

Functionalising AIE-active aromatic thioethers with self-complementary zwitterionic binding sites leads to a dual pH-responsive supramolecular organogelator with aggregation-induced emission (AIE) properties. The self-assembled fibrillar gel network is highly fluorescent (λem = 490 nm), whereas the...

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Published inSoft matter Vol. 14; no. 30; pp. 6166 - 6170
Main Authors Externbrink, Marlen, Riebe, Steffen, Schmuck, Carsten, Voskuhl, Jens
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 2018
Subjects
Agglomeration
Binding sites
Emission
Fluorescence
pH effects
Self-assembly
Thioethers
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Summary:Functionalising AIE-active aromatic thioethers with self-complementary zwitterionic binding sites leads to a dual pH-responsive supramolecular organogelator with aggregation-induced emission (AIE) properties. The self-assembled fibrillar gel network is highly fluorescent (λem = 490 nm), whereas the addition of both acid and base leads to the sol state with a loss of emission. More over, the gel was found to be thermo- and mechanoresponsive.
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ISSN:1744-683X
1744-6848
DOI:10.1039/c8sm01190g