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Luminescent Porous Organic Polymer Nanotubes for highly selective sensing of H2S

Abstract

In this work, we synthesize a kind of luminescent porous organic polymer nanotube (PNT-1) through copolymerization of the monomers of 1,3,5-tris-(3-bromo-phenyl)- [1,3,5]triazine (TBT) and 2,6-Dibromopyridine (2,6-DP) by Ni-catalyzed Yamamoto reaction. Results indicate that PNT-1 exhibits high luminescent intensity, stability and reusability, and can be used as an efficient luminescent probe for sensitively and selectively sensing H2S. Furthermore, we also use UV-absorption and EDS and XPS spectra to further explore the luminescent quenching mechanism of PNT-1 as luminescent probe for sensing H2S. All the results reveal that the formation of N-S bond between PNT-1 and H2S makes the electron in PNT-1 more stable and therefore leads to the luminescent quenching effect of PNT-1 for sensing H2S. Moreover, we also find that the PNT-1 as a luminescent probe is still applicable for sensing H2S in vitro assay system simulated by using PBS buffer solution, which provides potential possibility of PNT-1 as efficient luminescent probes for sensing H2S in practical applications.

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Publication details

The article was accepted on 11 Oct 2017 and first published on 11 Oct 2017


Article type: Research Article
DOI: 10.1039/C7QM00423K
Citation: Mater. Chem. Front., 2017, Accepted Manuscript
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    Luminescent Porous Organic Polymer Nanotubes for highly selective sensing of H2S

    L. Guo, M. Wang, X. Zeng and D. Cao, Mater. Chem. Front., 2017, Accepted Manuscript , DOI: 10.1039/C7QM00423K

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