Polyvinyl carbazole/graphene composite material and synthetic method and application thereof
A polyvinylcarbazole and composite material technology, applied in the field of polyvinylcarbazole/graphene composite material and its synthesis, can solve the problems of unsatisfactory charge transfer, low carrier mobility, etc. The effect of improved sub-transmission performance, easy operation, and improved compatibility
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Embodiment 1
[0029] 1) Prepare graphite oxide according to the method reported in the literature (Composites Science and Technology, 2009, 69, 1231);
[0030] 2) Prepare the phase transfer catalyst phenylethyl dithiobenzoate (Macromolecules1998, 31, 5559) according to the method reported in the literature, and then prepare 30 mg of graphite oxide, 0.3 mmol of 3-(trimethoxysilane) propyl acrylate, Azobisisobutyronitrile 0.2mmol, phase transfer catalyst phenethyl dithiobenzoate 0.4mmol react in N,N-dimethylformamide at 70°C for 24 hours under a nitrogen atmosphere, after suction filtration, washing and drying , to obtain graphite oxide with a surface capable of initiating reversible addition-fragmentation chain transfer polymerization groups;
[0031] 3) Place 30 mg of graphite oxide on the surface obtained in step 2) with reversible addition-fragmentation chain transfer polymerization groups on 5 g of N-vinyl carbazole, 0.2 mmol of initiator azobisisobutyronitrile, phase transfer Catalyst ...
Embodiment 2
[0034] 1) with step 1 in embodiment 1;
[0035]2) First prepare the phase transfer catalyst phenylethyl dithiobenzoate (Macromolecules 1998, 31, 5559) according to the method reported in the literature. Then 30 mg of graphite oxide, 0.4 mmol of 3-(trimethoxysilane) propyl acrylate, 0.3 mmol of azobisisobutyronitrile, and 0.6 mmol of phase transfer catalyst phenylethyl dithiobenzoate were added to the N,N-dimethoxy Reaction in methylformamide at 65°C for 36 hours under a nitrogen atmosphere, suction filtration, washing, and drying to obtain graphite oxide on the surface with groups capable of initiating reversible addition-fragmentation chain transfer polymerization;
[0036] 3) with step 3 in embodiment 1;
[0037] 4) Same as step 4 in Example 1.
Embodiment 3
[0039] 1) with step 1 in embodiment 1;
[0040] 2) with step 2 in embodiment 1;
[0041] 3) 30 mg of graphite oxide with initiator groups on the surface obtained in step 2) is placed in 8 g of N-vinylcarbazole, 0.4 mmol of initiator azobisisobutyronitrile, phase transfer catalyst dithiobenzoic acid phenylethyl In N,N-dimethylformamide solution of 0.8 mmol of ester, react at 70°C for 36 hours under nitrogen protection, centrifuge, wash, and vacuum dry to obtain polyvinylcarbazole / graphite oxide composite material;
[0042] 4) Same as step 4 in Example 1.
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