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
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[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.
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[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.
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[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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