Cd metal-organic framework material and preparation method and application thereof
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A metal-organic framework and organic ligand technology, used in the field of Cd metal-organic framework materials, metal-organic coordination polymer materials, and preparation fields, can solve problems such as reduction and strong radiation, and achieve simple process, strong fluorescence, and yield. high effect
Inactive Publication Date: 2016-12-07
BEIJING UNIV OF TECH
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Second, immobilized organic ligands in MOFs lead to stron
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Embodiment 1
[0020] Mix organic ligand L (0.035 mmol), auxiliary ligand dpe (0.035 mmol) and cadmium nitrate tetrahydrate (0.035 mmol) in 1 mL of N,N-dimethylacetamide, add 0.1 mL of H 2 O, sealed in a vial. Crystals of MOFs were obtained via thermal reaction at 80 °C for 24 hours.
Embodiment 2
[0022] Mix organic ligand L (0.035 mmol), auxiliary ligand dpe (0.019 mmol) and cadmium nitrate tetrahydrate (0.035 mmol) in 1 mL of N,N-dimethylacetamide, add 0.5 mL of H 2 O, sealed in a vial. Crystals of MOFs were obtained via thermal reaction at 80 °C for 48 hours.
Embodiment 3
[0024] Mix organic ligand L (0.019 mmol), auxiliary ligand dpe (0.035 mmol) and cadmium nitrate tetrahydrate (0.035 mmol) in 1.5 mL of N,N-dimethylacetamide, add 0.5 mL h 2 O, sealed in a vial. Crystals of MOFs were obtained via thermal reaction at 80 °C for 48 hours.
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Abstract
A Cd metal-organic framework material and a preparation method and application thereof belong to the technical field of crystalline materials. chemical formula is CdL0.5dpe0.5.2H2O, wherein L is an organic ligand 4,8-disulfonyle-2,6-naphthalenedicarboxylic acid; and dpe is an auxiliary organic ligand 1,2-di(4-pyridyl)ethene(1,2-di(4-pyridyl)ethylene). Under a closed condition, the organic ligand L (4,8-disulfonyle-2,6-naphthalenedicarboxylic acid), the auxiliary organic ligand dpe (1,2-di(4-pyridyl)ethene(1,2-di(4-pyridyl)ethylene)) and cadmium nitrate in a mixed solution of DMA (N,N-dimethylacetamide) and H2O undergo a thermal reaction to obtain crystal of the metal-organic framework material. The metal-organic framework material has strong fluorescence and can be used as a selective detection material of a nitro-explosive 2,4,6-trinitrophenol (TNP).
Description
technical field [0001] The invention belongs to the technical field of crystalline materials, and the technology relates to a metal-organic coordination polymer material, in particular a Cd metal-organic framework material, a preparation method and an application thereof. Background technique [0002] Rapid and selective detection of explosives is one of the urgent problems related to homeland security, military applications, accident investigation and minefield analysis. Nitroaromatic compounds such as 2,4,6-trinitrotoluene (2,4,6-trinitrotoluene, TNT), 2,4-dinitrotoluene (2,4-dinitrotoluene, 2,4-DNT), 2 , 4,6-trinitrophenol (2,4,6-trinitrophenol, TNP) is the main material of industrial explosives and exists in undeveloped minefields all over the world. Among them, TNP, a nitro explosive, has a higher explosive force than TNT, and is widely used in dyes, fireworks, matches, glass products and leather industries. In addition to its explosive properties, TNP is also conside...
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