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Design of “turn-off” luminescent Ln-MOFs for sensitive detection of cyanide anions

Dalton Transactions, ISSN: 1477-9234, Vol: 51, Issue: 41, Page: 15741-15749
2022
  • 10
    Citations
  • 0
    Usage
  • 3
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    10
    • Citation Indexes
      10
  • Captures
    3

Article Description

Two novel 2D lanthanide metal-organic frameworks (Ln-MOFs), namely {[Eu(DBTA)(DMF)]·DMF} (1) and {[Tb(DBTA)(DMF)]·DMF} (2) (HDBTA = 2,5-dibromoterephthalic acid), have been successfully synthesized by the solvothermal method. Single-crystal X-ray diffraction results proved that the complexes possess the same topological structure of a (4·6)(4·8)(4·6)-connected net. The recognition of CN from interfering anions with a low detection limit by “turn-off” luminescence makes them promising candidates for the highly selective and sensitive detection of the cyanide ion. The Ln-MOFs 1 and 2 exhibit excellent chemical sensing properties for CN with efficiency, selectivity, and excellent performance in various mixed anions. The evaluation parameters, including the quenching constant and detection limit, have been investigated to obtain the detection performance for CN

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