A stimuli responsive two component supramolecular hydrogelator with aggregation-induced emission properties.
basic_science · Level V
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- Record sourced from PubMed, PMID 31503269.
- Also identified by DOI 10.1039/c9sm01513b.
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Abstract
In this contribution we describe a novel hydrogelator based on four guadiniumcarbonylpyrrole units in combination with aggregation-induced emission active aromatic thioethers which undergo self-assembly into fibrills in aqueous media as visible in AFM and TEM measurements. These fibrills are weakly luminescent and unable to induce gelation. Upon addition of malonic acid a cross-linking of the single fibres was detected leading to the formation of a highly emissive stable hydrogel. This gel responds to several external stimuli such as heat, shaking as well as pH changes.