Metal-organic frame porous material based on triazole ligand, and preparation method and application thereof
An organic framework and metal technology, which is applied to metal-organic framework porous materials based on triazole ligands and their preparation and application fields, can solve the problems of low adsorption performance, and achieve great application value, high yield and high heat. The effect of stability
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Embodiment 1
[0025] Synthesis of 3-amino-1H-1,2,4-triazole and isophthalic acid mixed ligand cobalt(II) metal–organic framework compound A:
[0026] 3-Amino-1H-1,2,4-triazole (0.3 mmol, 25.2 mg), isophthalic acid (0.1 mmol, 16.6 mg) and cobalt nitrate hexahydrate (0.2 mmol, 58.2 mg) Dissolve in twice distilled water (6.0 mL) and methanol (4.0 mL), adjust the pH to 6 with triethylamine, stir for several minutes, and seal it into a hydrothermal kettle. at 150 o After three days of incubation at C, the temperature was programmed to cool down to room temperature to obtain a red blocky single crystal, which was then washed with methanol and dried in the air. See figure 1 crystal structure diagram.
Embodiment 2
[0028] Synthesis of 3-amino-1H-1,2,4-triazole and isophthalic acid mixed ligand cobalt(II) metal–organic framework compound B:
[0029] 3-Amino-1H-1,2,4-triazole (0.2 mmol, 16.8 mg), isophthalic acid (0.1 mmol, 16.6 mg) and cobalt nitrate hexahydrate (0.2 mmol, 58.2 mg) Dissolve in twice distilled water (5.0 mL) and methanol (5.0 mL), adjust the pH to 6 with triethylamine, stir for several minutes, and seal it into a hydrothermal kettle. at 160 oC After three days of heat preservation, the temperature was lowered to room temperature to obtain a red bulky single crystal, which was then washed with methanol and dried in the air. See figure 1 crystal structure diagram.
Embodiment 3
[0031] Synthesis of 3-amino-1H-1,2,4-triazole and isophthalic acid mixed ligand cobalt(II) metal–organic framework compound C:
[0032] 3-Amino-1H-1,2,4-triazole (0.3 mmol, 25.2 mg), isophthalic acid (0.1 mmol, 16.6 mg) and cobalt nitrate hexahydrate (0.3 mmol, 87.3 mg) Dissolve in twice distilled water (7.0 mL) and methanol (3.0 mL), adjust the pH to 5 with triethylamine, stir for several minutes, and seal it into a hydrothermal kettle. at 150 oC After three days of heat preservation, the temperature was lowered to room temperature to obtain a red bulky single crystal, which was then washed with ethanol and dried in the air. See figure 1 crystal structure diagram.
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