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Multifunctional zinc-based organic-inorganic hybrid material, preparation method and application thereof

A hybrid material and multi-functional technology, applied in the direction of zinc organic compounds, chemical instruments and methods, analytical materials, etc., can solve the problems of frame interpenetration that trouble researchers, achieve excellent selective fluorescence recognition, and synthesize raw materials are cheap and easy to obtain , The effect of high BET specific surface area and porosity

Inactive Publication Date: 2016-12-07
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in metal-organic frameworks constructed using mixed ligands, the interpenetration of the framework has always been a difficult problem for researchers.

Method used

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  • Multifunctional zinc-based organic-inorganic hybrid material, preparation method and application thereof
  • Multifunctional zinc-based organic-inorganic hybrid material, preparation method and application thereof
  • Multifunctional zinc-based organic-inorganic hybrid material, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Example 1: Preparation of multifunctional zinc-based organic-inorganic hybrid material

[0034] Mix 120mg of zinc nitrate hexahydrate, 40mg of bipyridine benzoic acid and 150mg of aminotriazole ligand in a beaker to obtain a mixture, then add 4mL of DMA, stir at room temperature for 30min to obtain a mixture; transfer the above mixture into a 10mL The vial with the stopper was baked at 120°C for 48 hours, filtered and separated to obtain the product after cooling down to room temperature; the above solid was washed 3 times with DMA to obtain a yellow strip-shaped hybrid material crystal, and the calculated yield based on the organic ligand was 75%. The main infrared absorption peaks are: 3365br, 3165w, 1680s, 1622s, 1615s, 1362s, 1242m, 1081m, 822m, 819s, 763s.

Embodiment 2

[0035] Example 2: Preparation of multifunctional zinc-based organic-inorganic hybrid material

[0036] Mix 120mg of zinc nitrate hexahydrate, 40mg of bipyridine benzoic acid and 80mg of aminotriazole ligand in a beaker to obtain a mixture, then add 4mL of DMA, stir at room temperature for 30min to obtain a mixture; transfer the above mixture into a 10mL The vial with the stopper was baked at 130°C for 72 hours, filtered and separated to obtain the product after cooling down to room temperature; the above solid was washed 3 times with DMA to obtain a yellow strip-shaped hybrid material crystal, and the calculated yield based on the organic ligand was 64%. The main infrared absorption peaks are: 3365br, 3165w, 1680s, 1622s, 1615s, 1362s, 1242m, 1081m, 822m, 819s, 763s.

Embodiment 3

[0037] Example 3: Preparation of multifunctional zinc-based organic-inorganic hybrid material

[0038] Mix 120mg of zinc nitrate hexahydrate, 40mg of bipyridine benzoic acid and 120mg of aminotriazole ligand in a beaker to obtain a mixture, then add 6mL of DMA, stir at room temperature for 30min to obtain a mixture; transfer the above mixture into a 10mL The vial with the stopper was baked at 125°C for 72 hours, filtered and separated to obtain the product after cooling down to room temperature; the above solid was washed 3 times with DMA to obtain a yellow strip-shaped hybrid material crystal, and the calculated yield based on the organic ligand was 72%. The main infrared absorption peaks are: 3365br, 3165w, 1680s, 1622s, 1615s, 1362s, 1242m, 1081m, 822m, 819s, 763s.

[0039] The multifunctional zinc-based organic-inorganic hybrid material obtained in Example 1 was further characterized, and its process and results are as follows:

[0040] (1) Determination of crystal struc...

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Abstract

The invention discloses a multifunctional zinc-based organic-inorganic hybrid material, a preparation method and application thereof. The multifunctional zinc-based organic-inorganic hybrid material has the following chemical formula: [Zn2(bpydb)(atz)2](DMA)8, wherein the bpydb is a bipyridine dicarboxylic acid anion ligand, the atz is 3-amino-1, 2, 4-triazole anion, and the DMA is N, N-dimethylacetamide. The multifunctional zinc-based organic-inorganic hybrid material crystallizes in a trigonal system (trigonal), the space group is P3121, and the cell parameters are shown as the specification: a=b=21.027(2) angstrom, c=20.5274(10) angstrom, and V=7859.6 angstrom<3>. The multifunctional zinc-based organic-inorganic hybrid material provided by the invention has high BET specific surface area and porosity, and has good high-temperature resistance. The preparation process is simple, the raw materials are cheap and easily available, and the reaction conditions are mild, thus being convenient for mass preparation. The multifunctional zinc-based organic-inorganic hybrid material provided by the invention has good application value in the aspects of C2H2 storage, selective separation and picric acid fluorescence recognition, and can be widely applied to industrial gas storage and recognition of picric acid pollutants in a liquid phase.

Description

technical field [0001] The invention relates to the preparation of crystalline materials, in particular to a multifunctional zinc-based organic-inorganic hybrid material and its preparation method and application. Background technique [0002] As a class of advanced porous crystalline materials, metal-organic frameworks have shown rapid development in the past few decades, and have shown many potential applications in the fields of energy gas storage and environmental pollutant identification. In general, metal-organic frameworks are composed of metal nodes and organic ligands. Compared with metal nodes, organic ligands are more selective and designable. Scientists can use the method of organic synthesis to design various organic ligands containing different coordination atoms and polar functional groups to construct metal-organic framework materials. However, this method usually requires a long synthetic route and expensive synthetic reagents. Cost control is very unfavor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F3/06C09K11/06G01N21/64B01J20/22B01J20/30B01D53/02
CPCB01D53/02B01D2257/702B01J20/223C07F3/06C09K11/06C09K2211/1029C09K2211/1059C09K2211/188G01N21/6428G01N21/643G01N2021/6432
Inventor 杜淼刘春森陈迪明田稼越
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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