Dye and metal organic framework material and preparation method and application thereof
A metal-organic framework and metal-organic technology, which is applied in the fields of material analysis, material excitation analysis, and material analysis through optical means, can solve the problems of low sensitivity and narrow operating temperature range in the detection of small aniline molecules, and achieve low cost and high performance. The effect of sensitivity and broad application prospects
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Embodiment 1
[0028] This embodiment relates to a preparation method of a dye@metal organic framework material and a preparation method of an organic ligand, such as figure 2 As shown, it specifically includes the following steps: 0.1mmol indium nitrate, 0.01mmol 8-hydroxypyrene-1,3,6-trisodium sulfonic acid (HPTS) and 0.03mmol 4,4',4",4"' -(1,4-Phenylenebis(pyridine-4,2,6-trisubstituted))tetrabenzoic acid was added to 2mL of a 1:1 mixed solvent of N,N-dimethylacetamide and acetonitrile, ultrasonicated for 10-20 Minutes, add a small amount of dilute nitric acid; seal the above solution with a glass container, place it in an oven, and heat it from room temperature to 85°C; keep it at the above temperature of 85°C for 48h, take out the glass bottle, and cool it to room temperature; filter the crystals in the glass bottle , the product was washed with N,N-dimethylacetamide, and the product was dried in air at room temperature to obtain dry purple-red bulk crystals (named HPTS@In-MOF).
Embodiment 2
[0030] This example relates to a preparation method of a dye@metal organic framework material and a preparation method of an organic ligand, which specifically includes the following steps: adding 0.1mmol indium nitrate, 0.01mmol 8-hydroxypyrene-1,3,6-trisulfonic acid Sodium salt (HPTS) and 0.03 mmol 4,4',4",4"'-(1,4-phenylene bis(pyridine-4,2,6-trisubstituted))tetrabenzoic acid were added to 2 mL 1:1 A mixed solvent of N,N-dimethylacetamide and acetonitrile, ultrasonic 10-20 minutes, add a small amount of dilute nitric acid; seal the above solution with a glass container, place it in an oven, and heat it from room temperature to 90°C; Incubate at 90°C for 24 hours, take out the glass bottle, and cool to room temperature; filter the crystals in the glass bottle, wash the product with N,N-dimethylacetamide, dry the product in air at room temperature, and obtain dry purple-red block crystals (named HPTS@In-MOF).
Embodiment 3
[0032]This example relates to a preparation method of a dye@metal organic framework material and a preparation method of an organic ligand, which specifically includes the following steps: adding 0.1mmol indium nitrate, 0.01mmol 8-hydroxypyrene-1,3,6-trisulfonic acid Sodium salt (HPTS) and 0.03 mmol 4,4',4",4"'-(1,4-phenylene bis(pyridine-4,2,6-trisubstituted))tetrabenzoic acid were added to 2 mL 1:1 A mixed solvent of N,N-dimethylacetamide and acetonitrile, ultrasonic for 10-20 minutes, add a small amount of dilute nitric acid; seal the above solution with a glass container, place it in an oven, and heat it from room temperature to 100°C; Keep warm at 100°C for 24 hours, take out the glass bottle, and cool to room temperature; filter the crystals in the glass bottle, wash the product with N,N-dimethylacetamide, and dry the product in air at room temperature to obtain dry purple-red blocky crystals (named HPTS@In-MOF).
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