Method for preparing two-dimensional magadiite/graphene oxide nanosheet compound through induction of long-carbon-chain imidazole
A graphene nanosheet and chain imidazole technology is applied in the field of preparing two-dimensional magadiite/graphene oxide nanosheet composites, which can solve the problem that the regularity of the magadiite layer structure and the interlayer distance cannot be precisely controlled, and the morphology of the synthesis method is uncontrollable, etc. problems, to achieve the effect of strengthening the ductility of the lamellar structure, uniform morphology, and good application prospects
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specific Embodiment approach 1
[0032] Specific embodiment one: the present embodiment utilizes long carbon chain imidazole to induce the method for preparing two-dimensional magadiite / graphene oxide nanosheet composite to carry out according to the following steps:
[0033] 1. Dissolve 0.50g to 0.90g of structure directing agent in 5.00g to 8.00g of water at a temperature of 60°C to 80°C to obtain solution A;
[0034] In step one, the structure directing agent is [C 22 h 45 -N + C 5 h 8 N]Br - , [C 18 h 37 -N + C 5 h 8 N]Br - , [C 16 h 33 -N + C 5 h 8 N]Br - or [C 12 h 25 -N+ C 5 h 8 N]Br - ; Dissolve the structure-directing agent in water at 60°C to 80°C, and dissolve it by heating.
[0035] 2. Dissolve 1.40g-1.50g sodium hydroxide and 3.00g-3.90g sulfate source in 33.00g water to obtain solution B;
[0036] 3. Add 2.80g-3.50g silicon source and 3.00g-4.00g solution B to the solution A obtained in step 1, and add 1-10mL graphene oxide nanosheet dispersion with a concentration of 1-50...
specific Embodiment approach 2
[0044] Specific implementation mode two: the difference between this implementation mode and specific implementation mode one is:
[0045] In step one, [C 22 h 45 -N + C 5 h 8 N]Br - The preparation method is carried out according to the following steps: add 39.00g of 1-bromodocosane and 12.45g of 1,2-dimethylimidazole into 600mL of acetonitrile / toluene mixture, acetonitrile and toluene in the acetonitrile / toluene mixture The volume ratio is 1:1, react at 70°C for 12 hours under nitrogen atmosphere; after the reaction is stopped, the volume of the reaction solution is reduced by half through rotary evaporation, and the remaining reaction solution is ice-bathed for 4 hours, and the solid precipitate obtained after the ice bath is filtered After that, it was washed several times with ether, and finally dried in vacuum at 60°C for 12 hours;
[0046] In step one, [C 18 h 37 -N + C 5 h 8 N]Br - The preparation method is carried out according to the following steps: 35.0...
specific Embodiment approach 3
[0049] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: the source of sulfate in step two is sodium sulfate.
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