A Soluble Porous Coordination Polymer for Fluorescence Sensing of Explosives and Toxic Anions under Homogeneous Environment

In the past decades, porous coordination polymers (PCPs) based fluorescent (FL) sensors have received intense attention due to their promising applications. In this work, a soluble Zn-PCP is presented as a sensitive probe towards explosive molecules, chromate, and dichromate ions. In former reports,...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2023-12, Vol.23 (24), p.9719
Main Authors: Jiang, Jiang, Li, Zi-Wei, Wu, Zhao-Feng, Huang, Xiao-Ying
Format: Article
Language:English
Subjects:
Cardiovascular disease
Electron microscopes
Explosives
Fluorescence
fluorescence sensor
Fourier transforms
homogeneous environment
Ligands
Polymers
Rare earth metals
Sensors
soluble coordination polymer
Solvents
Zinc compounds
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Summary:In the past decades, porous coordination polymers (PCPs) based fluorescent (FL) sensors have received intense attention due to their promising applications. In this work, a soluble Zn-PCP is presented as a sensitive probe towards explosive molecules, chromate, and dichromate ions. In former reports, PCP sensors were usually ground into fine powders and then dispersed in solvents to form FL emulsion for sensing applications. However, their insoluble characters would cause the sensing accuracy which is prone to interference from environmental effects. While in this work, the as-made PCP could be directly soluble in organic solvents to form a clear solution with bright blue emission, representing the first soluble PCP based fluorescence sensor to probe explosive molecules under a homogeneous environment. Moreover, the FL PCP solution also shows sensitive detection behaviors towards the toxic anions of CrO and Cr O , which exhibit a good linear relationship between the fluorescence intensity of Zn-PCP and the concentrations of both analytes. This work provides a reference for designing task-specific PCP sensors utilized under a homogeneous environment.
ISSN:1424-8220
1424-8220
DOI:10.3390/s23249719