The effect of water in THF/water mixtures on CMC, aggregation sizes, and fluorescence quenching of a new calix[4]resorcinarene macrocycle

This study explores how water content modulates the self-assembly and fluorescence behavior of a novel calixarene, C1 . C1 forms large, flattened structures in pure THF, but water addition triggers a transition to smaller, unimodal clusters. A critical micellar concentration (CMC) is identified, dec...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2024-04, Vol.26 (15), p.11933-11944
Main Authors: Sosa, María Virginia, Hussain, Kashif, Prieto, Eduardo D, Da Ros, Tatiana, Shah, M. Raza, Wolcan, Ezequiel
Format: Article
Language:English
Subjects:
Calixarenes
Fluorescence
Moisture content
Quenching
Self-assembly
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Summary:This study explores how water content modulates the self-assembly and fluorescence behavior of a novel calixarene, C1 . C1 forms large, flattened structures in pure THF, but water addition triggers a transition to smaller, unimodal clusters. A critical micellar concentration (CMC) is identified, decreasing with increasing water content. Fluorescence quenching is observed upon water addition, attributed to nonradiative deactivation. These findings highlight water as a key regulator of C1 's assembly and fluorescence, paving the way for further development of water-responsive calixarene systems. This study explores how water content modulates the self-assembly and fluorescence behavior of a novel calixarene, C1 .
ISSN:1463-9076
1463-9084
DOI:10.1039/d4cp00687a