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One-dimensional structure metal-organic framework compound and preparation method thereof

A metal-organic framework and compound technology, applied in the field of one-dimensional structure metal-organic framework compounds and their preparation, can solve the problems of limiting the practical application of metal-organic framework compounds, harsh preparation conditions, complicated preparation procedures, etc., and achieve uniform structure and morphology. The effect of good performance, short reaction time and high product purity

Inactive Publication Date: 2016-05-11
ZHEJIANG CANCER HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The metal-organic framework compound crystals prepared by the diffusion method are of high quality, but it takes a long time and the production efficiency is low
Other methods also have weaknesses such as long reaction time, complicated preparation procedures, harsh preparation conditions, or low yields, which greatly limit the practical application of metal-organic framework compounds.

Method used

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  • One-dimensional structure metal-organic framework compound and preparation method thereof
  • One-dimensional structure metal-organic framework compound and preparation method thereof
  • One-dimensional structure metal-organic framework compound and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Add 0.06 mol of trimesic acid into 300 mL of deionized water, and heat the solution to 80°C until the trimesic acid is completely dissolved. Take 0.09 mol of copper nitrate and add it to the prepared trimesic acid solution and let it stand for 10 minutes, then use a centrifuge to collect the precipitated precipitate, wash it with deionized water for 3 times, and dry it at 100°C to obtain a one-dimensional Structured CuBTC nanowire material.

[0046] like Figure 1~4 As shown, the obtained product is characterized by means of X-ray diffraction (XRD), scanning electron microscope (SEM), energy spectrum of X-ray (EDX) and thermogravimetric analysis (TG), and it is confirmed that the product is CuBTC and has a one-dimensional nanowire structure .

[0047] Table 1 X-ray energy spectrum analysis results.

[0048] the element

Embodiment 2

[0050] Take 0.06mol of terephthalic acid and add it to 300mL of ethanol, and heat the solution to 80°C until the terephthalic acid is completely dissolved. Take 0.06 mol ferrous chloride and add it to the prepared terephthalic acid solution and let it stand for 10 minutes, collect the precipitated precipitate by suction filtration, wash it with ethanol centrifuge for 3 times, and then freeze-dry to obtain the one-dimensional structure of FeBDC nanowire material.

[0051]The obtained product was characterized by means of XRD, SEM, EDX and TG, and it was confirmed that the product was FeBDC and had a one-dimensional nanowire structure.

Embodiment 3

[0053] Take 0.06mol of trimesic acid and add it to 500mL of N-methylpyrrolidone, and heat the solution to 70°C until the trimesic acid is completely dissolved. Take 0.09mol of nickel acetate and add it to the prepared trimesic acid solution and let it stand for 30 minutes, then use suction filtration to collect the precipitate, and use N-methylpyrrolidone to centrifugally wash it for 3 times, then use spray drying to obtain a one-dimensional structure NiBTC nanowire material.

[0054] The obtained product was characterized by means of XRD, SEM, EDX and TG, which confirmed that the product was NiBTC and had a one-dimensional nanowire structure.

[0055] The obtained one-dimensional structure NiBTC nanowire material was calcined at 500° C. for 2 h under an inert atmosphere to obtain a carbon-coated nickel oxide nanowire material. It will be discussed that the coated nickel oxide nanowires can be used as anode materials for lithium-ion batteries to obtain excellent electrochemic...

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Abstract

The invention discloses a one-dimensional structure metal-organic framework compound and a preparation method thereof. The preparation method comprises the steps that 1, a supersaturated quantity of organic ligands are taken to be added into solvent, and heating is performed until the organic ligands are completely dissolved to prepare a supersaturated solution; 2, metal salt is added into the supersaturated solution for reacting, separating and drying are performed after full reacting is finished, and then the one-dimensional structure metal-organic framework compound is prepared. The prepared one-dimensional structure metal-organic framework compound is of a one-dimensional nanometer linear structure, the length is 100 nanometers-100 micrometers, and the diameter is 20 nanometers-10 micrometers. The one-dimensional structure metal-organic framework compound has the better mechanical property, the higher strength and the better toughness and has the special electrical property of a nanowire. The preparation method of the one-dimensional structure metal-organic framework compound is easy to operate, mild in condition, short in reaction time and suitable for scale production.

Description

technical field [0001] The invention belongs to the technical field of nanocomposite materials, and in particular relates to a one-dimensional structure metal organic framework compound and a preparation method thereof. Background technique [0002] Metal-organic frameworks (MOFs) are a new class of functional materials with a network topology. It is a type of composite material formed by the combination of metal ions and organic ligands through coordination bonds. The metal ions are located at the apex of the structure. The ligands are linked into a network. This special combination method makes the MOFs structure have a large number of micropores (less than 2nm), and the specific surface area of ​​some MOFs structures usually reaches 3000m 2 / g, it has great application value in gas adsorption, gas separation, catalyst, sensor, and drug carrier. [0003] The main synthesis methods of metal organic framework compounds are: hydrothermal method, solvothermal method, microwa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00
CPCC08G83/00
Inventor 辛文秀黄萍方罗童莹慧丁海樱孔思思
Owner ZHEJIANG CANCER HOSPITAL
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