A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilities
Abstract This work presents the synthesis and characterization of a novel coordination polymer entitled Ni-BTC, using nickel as metallic centers and Trimesic Acid (H₃BTC) as linkers. This new structure was characterized using Single Crystal X-ray Diffraction (SCXRD), exhibiting a MOF (metal–organic...
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| Format: | Article |
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Springer
2025-02-01
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| Series: | Discover Chemical Engineering |
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| Online Access: | https://doi.org/10.1007/s43938-025-00073-0 |
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| author | João M. R. Gonçalves Ademar Wong Pedro H. O. Santiago Guilherme Arroyos Augusto H. Piva Javier A. Ellena Benedito S. Lima-Neto Regina C. G. Frem |
| author_facet | João M. R. Gonçalves Ademar Wong Pedro H. O. Santiago Guilherme Arroyos Augusto H. Piva Javier A. Ellena Benedito S. Lima-Neto Regina C. G. Frem |
| author_sort | João M. R. Gonçalves |
| collection | DOAJ |
| description | Abstract This work presents the synthesis and characterization of a novel coordination polymer entitled Ni-BTC, using nickel as metallic centers and Trimesic Acid (H₃BTC) as linkers. This new structure was characterized using Single Crystal X-ray Diffraction (SCXRD), exhibiting a MOF (metal–organic framework) structure, with a minimal formula of {[Ni(HBTC)(DMF)₂]·xDMF}. The structure exhibits a 2D network expanding in the equatorial direction, where the Ni(II) center is hexacoordinated and N,N'-dimethylformamide (DMF) solvent molecules are coordinated along the axial axis. Additionally, a Co-BTC coordination polymer was synthesized, with an already known structure similar to Ni-BTC, given the coordination modes of the BTC and DMF ligands. The structure of Ni-BTC is also a pseudo-polymorph of the previously published MOF [Ni(HBTC)(DMF)₂·(guest)] (3). The crystallographic data illustrate the structural differences. Ni-BTC was also analyzed by Field Emission Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (FESEM-EDS), revealing two different phases, one containing chloride anions originating from the precursor salt NiCl₂∙6H₂O. Upon substitution of this precursor with Ni(NO₃)₂∙6H₂O, only one phase was observed, indicating the influence of the counter-ion in modulating new phases during synthesis. Ni-BTC was further characterized by thermal methods such as Thermogravimetric Analysis and Differential Thermal Analysis (TGA and DTA), showing moderate thermal resistance. The Magnetic Susceptibility data indicated a + 2 state for both metal centers. Finally, the bidentate molecule Glyphosate (GLY), widely used as a pesticide and recognized as an environmental pollutant, was employed for coordination with Ni-BTC, as in this structure, the axial DMF ligands are labile and can be replaced by glyphosate molecules. This coordination capability was demonstrated by Powder X-ray Diffraction (PXRD) and Infrared Spectroscopy (FTIR), along with electrochemical techniques such as Cyclic Voltammetry (CV) and Square Wave Voltammetry (SWV), thus confirming glyphosate coordination in Ni-BTC, with potential applications in detection and removal systems. Graphical Abstract |
| format | Article |
| id | doaj-art-036809c24a8645b289d45a932463fbe9 |
| institution | Kabale University |
| issn | 2730-7700 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Springer |
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| series | Discover Chemical Engineering |
| spelling | doaj-art-036809c24a8645b289d45a932463fbe92025-02-09T12:38:56ZengSpringerDiscover Chemical Engineering2730-77002025-02-015111410.1007/s43938-025-00073-0A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilitiesJoão M. R. Gonçalves0Ademar Wong1Pedro H. O. Santiago2Guilherme Arroyos3Augusto H. Piva4Javier A. Ellena5Benedito S. Lima-Neto6Regina C. G. Frem7Instituto de Química de São Carlos (IQSC), Universidade de São PauloInstituto de Química (IQ), Universidade Estadual PaulistaInstituto de Física de São Carlos (IFSC), Universidade de São PauloInstituto de Química (IQ), Universidade Estadual PaulistaInstituto de Química (IQ), Universidade Estadual PaulistaInstituto de Física de São Carlos (IFSC), Universidade de São PauloInstituto de Química de São Carlos (IQSC), Universidade de São PauloInstituto de Química (IQ), Universidade Estadual PaulistaAbstract This work presents the synthesis and characterization of a novel coordination polymer entitled Ni-BTC, using nickel as metallic centers and Trimesic Acid (H₃BTC) as linkers. This new structure was characterized using Single Crystal X-ray Diffraction (SCXRD), exhibiting a MOF (metal–organic framework) structure, with a minimal formula of {[Ni(HBTC)(DMF)₂]·xDMF}. The structure exhibits a 2D network expanding in the equatorial direction, where the Ni(II) center is hexacoordinated and N,N'-dimethylformamide (DMF) solvent molecules are coordinated along the axial axis. Additionally, a Co-BTC coordination polymer was synthesized, with an already known structure similar to Ni-BTC, given the coordination modes of the BTC and DMF ligands. The structure of Ni-BTC is also a pseudo-polymorph of the previously published MOF [Ni(HBTC)(DMF)₂·(guest)] (3). The crystallographic data illustrate the structural differences. Ni-BTC was also analyzed by Field Emission Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (FESEM-EDS), revealing two different phases, one containing chloride anions originating from the precursor salt NiCl₂∙6H₂O. Upon substitution of this precursor with Ni(NO₃)₂∙6H₂O, only one phase was observed, indicating the influence of the counter-ion in modulating new phases during synthesis. Ni-BTC was further characterized by thermal methods such as Thermogravimetric Analysis and Differential Thermal Analysis (TGA and DTA), showing moderate thermal resistance. The Magnetic Susceptibility data indicated a + 2 state for both metal centers. Finally, the bidentate molecule Glyphosate (GLY), widely used as a pesticide and recognized as an environmental pollutant, was employed for coordination with Ni-BTC, as in this structure, the axial DMF ligands are labile and can be replaced by glyphosate molecules. This coordination capability was demonstrated by Powder X-ray Diffraction (PXRD) and Infrared Spectroscopy (FTIR), along with electrochemical techniques such as Cyclic Voltammetry (CV) and Square Wave Voltammetry (SWV), thus confirming glyphosate coordination in Ni-BTC, with potential applications in detection and removal systems. Graphical Abstracthttps://doi.org/10.1007/s43938-025-00073-0Trimesic AcidCoordination polymerNickelGlyphosateAnalytical methods |
| spellingShingle | João M. R. Gonçalves Ademar Wong Pedro H. O. Santiago Guilherme Arroyos Augusto H. Piva Javier A. Ellena Benedito S. Lima-Neto Regina C. G. Frem A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilities Discover Chemical Engineering Trimesic Acid Coordination polymer Nickel Glyphosate Analytical methods |
| title | A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilities |
| title_full | A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilities |
| title_fullStr | A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilities |
| title_full_unstemmed | A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilities |
| title_short | A novel 2D nickel coordination polymer based on Trimesic acid with glyphosate coordination capabilities |
| title_sort | novel 2d nickel coordination polymer based on trimesic acid with glyphosate coordination capabilities |
| topic | Trimesic Acid Coordination polymer Nickel Glyphosate Analytical methods |
| url | https://doi.org/10.1007/s43938-025-00073-0 |
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