Zn-Salphen Acrylic Films Powered by Aggregation-Induced Enhanced Emission for Sensing Applications

Zn(II) complexes possess attractive characteristics for supramolecular chemistry, catalysis, and optoelectronic applications, while Zn-Salphen counterparts are also suitable as chemical sensors, although limited by solution-based to date. In this study, we report the synthesis of new polymers from m...

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Veröffentlicht in:Journal of fluorescence 2024-07, Vol.34 (4), p.1903-1912
Hauptverfasser: Enríquez-Palacios, Ernesto, Robledo-Patiño, Ana Victoria, Zelada-Guillén, Gustavo A.
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container_end_page 1912
container_issue 4
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container_title Journal of fluorescence
container_volume 34
creator Enríquez-Palacios, Ernesto
Robledo-Patiño, Ana Victoria
Zelada-Guillén, Gustavo A.
description Zn(II) complexes possess attractive characteristics for supramolecular chemistry, catalysis, and optoelectronic applications, while Zn-Salphen counterparts are also suitable as chemical sensors, although limited by solution-based to date. In this study, we report the synthesis of new polymers from methyl methacrylate, n -butyl acrylate, and a non-symmetrical Zn-Salphen complex. We show that this low-fluorescent complex exhibits aggregation-induced emission enhancement (AIEE) properties and that, the incorporation of AIEE complexes into a polymeric matrix make it possible to achieve fluorescent films with enhanced fluorescence suitable for sensing applications. As a proof of concept, these films could detect acetic acid, showing a decrease of up to 73% in the original fluorescence. Host/guest studies showed a subtle disruption of the emission in aggregates upon treatment with anion guests. These results indicate that an interaction between the guest and Zn-Salphen complex may occur, stabilizing or destabilizing the complex and causing a concomitant increase or decrease in emission.
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subjects Acetic acid
Analytical Chemistry
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biomedicine
Biophysics
Biotechnology
Chemical sensors
Chemical synthesis
Emission
Fluorescence
Optoelectronic devices
Polymethyl methacrylate
Supramolecular compounds
title Zn-Salphen Acrylic Films Powered by Aggregation-Induced Enhanced Emission for Sensing Applications
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