Method for preparing nanometer material@metal organic framework material

A technology of metal-organic frameworks and nanomaterials, which is applied in the field of composite materials and catalyst preparation, can solve the problems of difficult coating of nanoparticles and limited application range of MOFs, and achieve the effect of effective coating, widening application range and good packaging effect

Active Publication Date: 2016-11-16
NANJING UNIV OF TECH
4 Cites 27 Cited by

AI-Extracted Technical Summary

Problems solved by technology

Traditional preparation methods often have problems such as the difficulty of ...
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Abstract

The invention discloses a method for preparing a nanometer material@metal organic framework material. The method comprises the following steps: subjecting a nanometer material to pre impregnating and depositing on the surface of a metal organic complex, carrying out centrifugal separation so as to obtain a composite material containing the nanometer material, and subjecting the composite material to a reaction in a mixed solvent of an organic solvent or an organic solvent and water so as to obtain the nanometer material@metal organic framework material. Compared with a permeation method, the method provided by the invention can realize complete coating of the nanometer material, and achieves a better packaging effect. Compared to an in-situ growth method, the method can broaden the application scope of metal organic frameworks (MOFs) in the nanometer material@metal organic framework material, and realizes effective coating of carboxylic acid metal organic frameworks (MOFs) on the nanometer material.

Technology Topic

SolventChemistry +9

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  • Method for preparing nanometer material@metal organic framework material
  • Method for preparing nanometer material@metal organic framework material
  • Method for preparing nanometer material@metal organic framework material

Examples

  • Experimental program(7)
  • Comparison scheme(3)

Example Embodiment

[0025] Example 1: Preparation of metal organic complex CuHBTC
[0026] 2g Cu(C 2 H 3 O 2 ) 2 ·H 2 15ml deionized water of O and 1g of trimesic acid (H 3 BTC) in 15 ml of ethanol solution, stirred, reacted for 3 h, filtered and dried to obtain CuHBTC.

Example Embodiment

[0027] Example 2: Preparation of metal organic complex ZIF-L
[0028] Dissolve 0.059g of zinc nitrate hexahydrate and 0.13g of dimethylimidazole in 4ml of deionized water respectively, add 100μl of polyvinylpyrrolidone (molecular weight 29000, 10mg/ml) to the aqueous solution of zinc nitrate hexahydrate, and ultrasonicate for 1min Then, it was added to the aqueous solution of dimethylimidazole, stirred for 4 h under ice bath conditions, centrifuged, washed three times with methanol, and dried to obtain ZIF-L.

Example Embodiment

[0029] Example 3:
[0030] Weigh 0.02g of CuHBTC and disperse it in 5ml of deionized water, add dropwise 100μl of 2wt% 13nm Au solution pre-dispersed in N,N-dimethylformamide (DMF), stir at room temperature for 2h, and centrifuge to obtain a solid material. The solid-liquid ratio of 3.6g/L was added to the solid material by adding 5ml deionized water, gradually adding 500μl N,N-dimethylformamide solution dropwise, reacting at room temperature for 2h, centrifuging, and drying to obtain the Au@CuBTC composite material.
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Description & Claims & Application Information

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