A novel pyrene‐based “off–on” fluorescent probe with high selectivity and sensitivity for Hg2

In this article, a novel “off–on” fluorescent probe 2‐(pyren‐1‐ylmethylene)‐1H‐indene‐1,3(2H)‐dione (PID) for Hg2+ was designed and synthesized. The selectivity, concentration titration, pH titration, time dependence, limit of detection, and recognition mechanism of PID for Hg2+ in CH3CH2OH/H2O solu...

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Bibliographic Details
Published in:Journal of the Chinese Chemical Society (Taipei) 2023-10, Vol.70 (10), p.1937-1943
Main Authors: Liang, Qingxiang, Wu, Zhou, Wu, Aibin, Shu, Wenming, Yu, Weichu
Format: Article
Language:English
Subjects:
Fluorescent indicators
Indene
Mercury (metal)
Sensitivity
Titration
Water sampling
Online Access:Get full text
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Summary:In this article, a novel “off–on” fluorescent probe 2‐(pyren‐1‐ylmethylene)‐1H‐indene‐1,3(2H)‐dione (PID) for Hg2+ was designed and synthesized. The selectivity, concentration titration, pH titration, time dependence, limit of detection, and recognition mechanism of PID for Hg2+ in CH3CH2OH/H2O solution were also investigated. The results indicated that PID exhibited high selectivity, sensitivity, and fast response to Hg2+, and the limit of detection was as low as 20.7 nmol/L. In addition, PID could work in a wide pH range, and the determination of Hg2+ in water samples showed that it could be used as a potential detection tool in practical application.
ISSN:0009-4536
2192-6549
DOI:10.1002/jccs.202300231