4.6 Article

In situ growth of polyoxometalate in COF for trace monitoring of Ag+ and hepatocellular carcinoma biomarker via a dual responsive strategy

Journal

JOURNAL OF MATERIALS CHEMISTRY C
Volume 9, Issue 30, Pages 9492-9498

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1tc01938d

Keywords

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Funding

  1. National Natural Science Foundation of China [21971194]
  2. Developing Science Funds of Tongji University
  3. Science & Technology Commission of Shanghai Municipality [14DZ2261100]

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This study explores the incorporation of polyoxometalate into covalent organic frameworks to create a functional composite material with outstanding luminescence properties, broadening the sensing application of COF. It suggests a new direction for utilizing POM-functionalized COF materials as efficient chemosensors to monitor trace amounts of important analytes in environmental and biological systems.
Covalent organic frameworks (COFs) demonstrate a new trend in the field of chemical sensing mainly due to their potential for functional modification, defined pore environment and good chemical stability. Exploring functionalized-COF materials as chemosensors with low detection limits and high selectivity for biologically and environmentally important analytes is a campaign in this field. In this work, the incorporation of polyoxometalate (POM, Eu4W8) into the crystalline architecture a COF (EB-TFP) generates a functional composite material Eu4W8@EB-TFP. This material combines the merits of POM and COF together; it endows COF with outstanding luminescence properties and effectively broadens the sensing application of COF. It points out a new direction to employ POM-functionalized COF materials as efficient chemosensors to monitor trace amounts of Ag+ in environmental and CG (hepatocellular carcinoma biomarker) in biological systems. This work provides new insights into COF-based sensors and inspires the development of more versatile tools for analytical applications.

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