Method for preparing high-dispersion graphene loaded Zn-base metal-organic framework composite materials
An organic framework and composite material technology, applied in the field of chemistry, can solve the problems of low dispersion, insufficient performance of graphene, easy agglomeration into large particles, etc., and achieve the effects of preventing agglomeration, low production cost, and simple preparation method.
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[0019] The present invention is described in detail below, for the convenience of comparison, the applicant at first carried out the preparation of Zn-based metal-organic framework, the method is as follows: 300 mg of Zn(NO 3 ) 2 · 6H 2 O soluble salt and 350 mg of organic ligand 2-methylimidazole, 1.0 g PVP, 200 mL methanol were evenly mixed, stirred at room temperature for 10 h, and the reaction precipitate was centrifuged at 4000 rpm to separate the precipitate, anhydrous Washed three times with ethanol and dried under vacuum at 30°C. The morphology of the as-synthesized materials was characterized by scanning electron microscopy, as shown in figure 2 shown. figure 2 The spherical Zn-MOF structure with regular morphology is clearly shown, indicating that the synthesis method adopted in the present invention well maintains the typical structure of Zn-MOF;
[0020] The preparation method of highly dispersed graphene-loaded Zn-based metal-organic framework composite mat...
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