Preparation method of conductive macromolecule non-covalent functionalized graphene modified electrokinetic energy conversion polymer material
A technology of non-covalent modification and polymer materials, which is applied in the field of non-covalent modification of conductive polymer graphene modified electrokinetic energy conversion polymer materials, which can solve the limitations of material applications, reduction of electrical breakdown strength, dielectric loss and Improve the dispersion, reduce the dielectric loss and loss modulus, and increase the dielectric constant.
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[0028] Example 1: Preparation of PEDOT:PSS-RGO (1)
[0029] Add 10 mL of deionized water to a 25 mL small beaker, then add 50 mg of graphene and ultrasonically assist dispersion for 6 hours, then use a needle syringe to add 3.5 mL of PEDOT:PSS (density 1g / mL, solid content 1.4%) solution, ultrasonic dispersion After 4 hours, pour the mixed solution on quartz glass with a diameter of 6 cm and a smooth bottom surface, and place it in a drying oven at a low temperature of 50 ℃ for solvent evaporation to induce self-assembly for 24 hours to obtain poly(3,4-ethylenedioxythiophene): poly Styrene sulfonic acid non-covalently modified graphene PEDOT: PSS-RGO (1). The SEM and TEM images of the prepared PEDOT:PSS-RGO show that the nanomaterial presents a "sandwich" structure, and a thin layer of conductive polymer is evenly coated on the surface of the graphene sheet.
Example Embodiment
[0030] Example 2: Preparation of PEDOT:PSS-RGO (2)
[0031] Add 10mL of deionized water to a 25mL small beaker, then add 50mg of graphene and ultrasonically assist the dispersion for 6h, then use a needle syringe to add 3.5mL of PEDOT:PSS (density 1g / mL, solid content 1.4%) solution, ultrasonic dispersion After 4 hours, pour the mixed solution on the quartz glass with a smooth and flat bottom, and place it in a dry box at a low temperature of 50°C for solvent evaporation to induce self-assembly for 24 hours to obtain poly(3,4-ethylenedioxythiophene): polystyrene sulfonate Acid non-covalent modification of graphene PEDOT: PSS-RGO (2).
Example Embodiment
[0032] Example 3: Preparation of PEDOT:PSS-RGO (3)
[0033] Add 10mL of deionized water to a 25mL small beaker, then add 50mg of graphene and ultrasonically assist the dispersion for 6h, then use a needle syringe to add 0.7mL of PEDOT:PSS (density 1g / mL, solid content 1.4%) solution, ultrasonic dispersion After 4 hours, pour the mixed solution on the quartz glass with a smooth and flat bottom, and place it in a dry box at a low temperature of 50°C for solvent evaporation to induce self-assembly for 24 hours to obtain poly(3,4-ethylenedioxythiophene): polystyrene sulfonate Acid non-covalent modification of graphene PEDOT: PSS-RGO (3).
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