Topological analysis and control of post-synthetic metalation sites in Zr-based metal–organic frameworks

Gimeno-Fonquernie, Pol; Albalad, Jorge; Price, Jason R.; Bloch, Witold M.; Evans, Jack D.; Doonan, Christian J.; Sumby, Christopher J.

doi:10.1039/d3tc03606e

J. Mater. Chem. C

2024

DOI: 10.1039/d3tc03606e

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Topological analysis and control of post-synthetic metalation sites in Zr-based metal–organic frameworks

Pol Gimeno-Fonquernie,

Jorge Albalad,

Jason R. Price

et al.

Abstract: The design criteria needed for the formation of the sqc Metal-organic Framework (MOF) topology, from an 8-connecting node and a 4-connecting linker, are unclear due to a limited number of...

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Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg²⁺ and Sulfadiazine Sensing by Ln‐MOF

Yu,

Pavlov,

Ryadun

et al. 2024

Angewandte Chemie

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Heavy metal ions and antibiotic contamination have become a major environmental concern worldwide. The development of efficient recognition strategies of these pollutants at ultra‐low concentrations in aqueous solutions as well as the elucidation of the intrinsic sensing mechanism are challenging tasks. In this work, unique luminescent Ln‐MOF materials (NIIC‐3‐Ln) were assembled by rational ligand design. Among them, NIIC‐3‐Tb demonstrated highly selective luminescence quenching response toward Hg2+ and sulfadiazine (SDI) at subnanomolar concentrations in less than 7 s. In addition, a Hg2+ sensing mechanism through chelation was proposed on the basis of single‐crystal X‐ray diffraction analysis and Hg2+ adsorption study. The interaction mechanism of NIIC‐3‐Tb with SDI was revealed using a newly developed approach involving a (TD‐)DFT based quantification of the charge transfer of a MOF‐analyte supramolecular complex model in the ground and excited states. Effect of ultrasonic treatment on the surface morphology important for MOF sensing performance was revealed by gas adsorption experiments. The presented results indicate that NIIC‐3‐Ln is not only an advanced sensing material for the efficient detection of Hg2+ and SDI at ultra‐low concentrations, but also opens up a new approach to study the sensing mechanism at the molecular level at ultra‐low concentrations.

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Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg²⁺ and Sulfadiazine Sensing by Ln‐MOF

Yu,

Pavlov,

Ryadun

et al. 2024

Angewandte Chemie

View full text Add to dashboard Cite

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Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg²⁺ and Sulfadiazine Sensing by Ln‐MOF

Yu,

Pavlov,

Ryadun

et al. 2024

Angew Chem Int Ed

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Topological analysis and control of post-synthetic metalation sites in Zr-based metal–organic frameworks

Abstract: The design criteria needed for the formation of the sqc Metal-organic Framework (MOF) topology, from an 8-connecting node and a 4-connecting linker, are unclear due to a limited number of...

Cited by 2 publications

References 61 publications

Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg²⁺ and Sulfadiazine Sensing by Ln‐MOF

Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg²⁺ and Sulfadiazine Sensing by Ln‐MOF

Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg²⁺ and Sulfadiazine Sensing by Ln‐MOF

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Topological analysis and control of post-synthetic metalation sites in Zr-based metal–organic frameworks

Abstract: The design criteria needed for the formation of the sqc Metal-organic Framework (MOF) topology, from an 8-connecting node and a 4-connecting linker, are unclear due to a limited number of...

Cited by 2 publications

References 61 publications

Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg2+ and Sulfadiazine Sensing by Ln‐MOF

Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg2+ and Sulfadiazine Sensing by Ln‐MOF

Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg2+ and Sulfadiazine Sensing by Ln‐MOF

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Product

Resources

About

Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg²⁺ and Sulfadiazine Sensing by Ln‐MOF

Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg²⁺ and Sulfadiazine Sensing by Ln‐MOF

Experimental and Theoretical Elucidation of the Luminescence Quenching Mechanism in Highly Efficient Hg²⁺ and Sulfadiazine Sensing by Ln‐MOF