Preparation method of poly(3,4-ethylenedioxythiophene) (PEDOT)-coated carbon nanotube composite material
A technology of carbon nanotubes and dioxyethyl, which is applied in the field of carbon materials and conductive polymer composite materials, can solve the problems of unfavorable large-scale production, difficult control of repeatability, small reaction area, etc., to achieve large-scale synthesis, The method is simple and the effect of good application prospect
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Embodiment 1
[0019] a) ultrasonically dispersing carboxy-functionalized multi-walled carbon nanotubes (COOH-MWCNTs) in deionized water to obtain a multi-walled carbon nanotube dispersion with a solid content of 0.3 wt %;
[0020] b) Iron trichloride (FeCl 3 ) was dissolved in deionized water, stirred and dissolved to obtain an orange-yellow aqueous solution containing a concentration of 16mol / L ferric chloride;
[0021] c) Using p-xylene as a solvent, take the surfactant di(2-ethylhexyl) sodium succinate sulfonate (AOT) and dissolve it in p-xylene, and dissolve it by ultrasonication and continuous stirring to obtain the surfactant A solution with an AOT concentration of 1.3mol / L;
[0022] d) Add the multi-walled carbon nanotube dispersion obtained in step a) to the solution obtained in step c), and ultrasonically disperse and stir until the multi-walled carbon nanotubes are uniformly dispersed in the mixed system; under stirring conditions, add The obtained orange-yellow aqueous solution...
Embodiment 2
[0026] a) ultrasonically dispersing carboxy-functionalized multi-walled carbon nanotubes (COOH-MWCNTs) in deionized water to obtain a multi-walled carbon nanotube dispersion with a solid content of 1.5 wt %;
[0027] b) Iron trichloride (FeCl 3) was dissolved in deionized water, stirred and dissolved to obtain an orange-yellow aqueous solution that contained a concentration of 13mol / L ferric chloride;
[0028] c) Using p-xylene as a solvent, take the surfactant AOT and dissolve it in p-xylene, ultrasonically and continuously stir to dissolve it, to obtain a solution with a concentration of the surfactant AOT of 1.4mol / L;
[0029] d) Add the multi-walled carbon nanotube dispersion obtained in step a) to the solution obtained in step c), and ultrasonically disperse and stir until the multi-walled carbon nanotubes are uniformly dispersed in the mixed system; under stirring conditions, add The obtained orange-yellow aqueous solution containing ferric chloride in step b) is fully ...
Embodiment 3
[0033] a) ultrasonically dispersing carboxy-functionalized multi-walled carbon nanotubes (COOH-MWCNTs) in deionized water to obtain a multi-walled carbon nanotube dispersion with a solid content of 3 wt %;
[0034] b) Iron trichloride (FeCl 3 ) was dissolved in deionized water, stirred and dissolved to obtain an orange-yellow aqueous solution that contained a concentration of 12mol / L ferric chloride;
[0035] c) Using p-xylene as a solvent, take the surfactant AOT and dissolve it in p-xylene, ultrasonically and continuously stir to dissolve it, to obtain a solution with a concentration of the surfactant AOT of 1.6mol / L;
[0036] d) Add the multi-walled carbon nanotube dispersion obtained in step a) to the solution obtained in step c), and ultrasonically disperse and stir until the multi-walled carbon nanotubes are uniformly dispersed in the mixed system; under stirring conditions, add The obtained orange-yellow aqueous solution containing ferric chloride in step b) is fully s...
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