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Smart crystalline framework materials with a triazole carboxylic acid ligand: fluorescence sensing and catalytic reduction of PNP.
- Source :
- Dalton Transactions: An International Journal of Inorganic Chemistry; 12/14/2023, Vol. 52 Issue 46, p17201-17212, 12p
- Publication Year :
- 2023
-
Abstract
- Triazole polycarboxylic acid ligands are widely employed in the construction of MOFs due to their strong coordination ability and flexible coordination modes. In this work, three novel complexes (Pb(MCTCA)(H<subscript>2</subscript>O) (1), Co(HMCTCA)<subscript>2</subscript>(H<subscript>2</subscript>O)<subscript>2</subscript> (2) and Cu(HMCTCA)<subscript>2</subscript>(H<subscript>2</subscript>O)<subscript>2</subscript> (3)) based on the H<subscript>2</subscript>MCTCA ligand (5-methyl-1-(4-carboxyl)-1H-1,2,3-triazole-4-carboxylic acid) were successfully synthesized under hydrothermal conditions, respectively. X-ray single crystal structure analysis shows that complex 1 is a 3D network structure, where the central metal Pb(II) is six coordinated to form deformed triangular prism geometry. The complexes 2 and 3 are both 2D layer supramolecular structures connected through intermolecular hydrogen, where the central metals (Co/Cu) are six coordinated to form octahedral configuration geometry. Based on functional properties, it is found that complex 1 exhibits excellent detection ability for small-molecule drugs (azithromycin, colchicine and balsalazide disodium) and actinide cations (Th<superscript>4+</superscript> and UO<subscript>2</subscript><superscript>2+</superscript>) within a lower concentration range without interference from other components. In particular, the detection limits of three small-molecule drugs are all lower than 0.30 μM. In addition, complexes 2 and 3 exhibited excellent catalytic reduction performance toward p-nitrophenol (PNP), with a reduction efficiency exceeding 98%. These experimental results evidence that complexes 1–3 have potential application prospects in fluorescence sensing and catalytic reduction. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 14779226
- Volume :
- 52
- Issue :
- 46
- Database :
- Complementary Index
- Journal :
- Dalton Transactions: An International Journal of Inorganic Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 173894944
- Full Text :
- https://doi.org/10.1039/d3dt02406g