Photoluminescent hydrogel/carbon quantum dots nanocomposite for Fe<sup>3+</sup> ions sensing: selectivity and recovery

Polyacrylamide-based hydrogel filled with carbon quantum dots (PAA@CQDs) exhibiting intensive photoluminescence (PL) under UV irradiation was prepared. The exceptional capability of the Fe<sup>3+</sup> ions to quench PAA@CQDs PL in aqueous solution was found. The PL recovery after repeated quenching was detected when hydrochloric acid was used as a regenerant, thus ensuring the PAA@CQDs reusability as a chemosensor for the Fe<sup>3+</sup> ions detection in aqueous media.

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Publication Details

Journal
Mendeleev Communications
Published
2025-01-01
DOI
https://doi.org/10.71267/mencom.7756
Primary Topic
Carbon and Quantum Dots Applications
Type
article
Field-Weighted Citation Impact
0.00

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article

Photoluminescent hydrogel/carbon quantum dots nanocomposite for Fe3+ ions sensing: selectivity and recovery

Anastasia Borodina, Sergei Kostromin, Sergei Bronnikov
1 links
Mendeleev Communications
Carbon and Quantum Dots Applications
article

Photoluminescent hydrogel/carbon quantum dots nanocomposite for Fe3+ ions sensing: selectivity and recovery

Anastasia Borodina, Sergei Kostromin, Sergei Bronnikov
article en

Abstract

Polyacrylamide-based hydrogel filled with carbon quantum dots (PAA@CQDs) exhibiting intensive photoluminescence (PL) under UV irradiation was prepared. The exceptional capability of the Fe<sup>3+</sup> ions to quench PAA@CQDs PL in aqueous solution was found. The PL recovery after repeated quenching was detected when hydrochloric acid was used as a regenerant, thus ensuring the PAA@CQDs reusability as a chemosensor for the Fe<sup>3+</sup> ions detection in aqueous media.

Mendeleev CommunicationsVol. 35(5)
Kurchatov Institute (RU), Institute of Macromolecular Compounds (RU), Petersburg Nuclear Physics Institute (RU)
Ministry of Education and Science of the Russian Federation
Openalex Percentile: Top 85%
Carbon and Quantum Dots Applications
DOIOpen Access PDFOpenAlex
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Photoluminescent hydrogel/carbon quantum dots nanocomposite for Fe<sup>3+</sup> ions sensing: selectivity and recovery — Anastasia Borodina, Sergei Kostromin, et al. · Mendeleev Communications (2025) | TGRS Research Map | TGRS