▎ 摘　　要

NOVELTY - Preparing graphene/poly(3,4-ethylenedioxythiophene) composite nanomaterial comprises: (a) adding water into graphene oxide, adding 3,4-ethylene dioxythiophene monomer, electrostatically adsorbing and conjugating the 3,4-ethylenedioxythiophene and graphene oxide; (b) dialyzing to remove redundant 3, 4-ethylenedioxythiophene monomer using water to obtain grapheme oxide/3, 4-ethylenedioxythiophene; and (c) transferring obtained mixed solution into reacting kettle, cooling reaction kettle, taking out reacted kettle sample, and filtering reacted kettle sample to obtain composite nanomaterial. USE - The method is useful for preparing graphene/poly(3,4-ethylenedioxythiophene) composite nanomaterial. ADVANTAGE - The method is capable of rapidly and conveniently preparing the graphene/poly(3,4-ethylenedioxythiophene) composite nanomaterial in an environmentally friendly manner. DETAILED DESCRIPTION - Preparing graphene/poly3,4-ethylenedioxythiophene composite nanomaterial comprises: (a) adding 100 ml of water solution into graphene oxide, where the graphene oxide has concentration of 0.1-5 mg/ml, adding 50-2500 ml of 3,4-ethylene dioxythiophene monomer into the mixed solution, mechanically stirring the mixed solution for 30 minutes to completely mix, electrostatically adsorbing and conjugating the 3,4-ethylenedioxythiophene and graphene oxide to obtain graphene oxide/3,4-ethylenedioxythiophene compound; (b) dialyzing the graphene compound to remove the redundant 3,4-ethylenedioxythiophene monomer using distilled water to obtain graphene oxide/3,4-ethylenedioxythiophene compound, and adsorbing 3,4-ethylenedioxythiophene monomer with surface saturation; and (c) transferring graphene oxide/3, 4 ethylenedioxythiophene solution into a microwave hydrothermal reacting kettle i.e. quartz reacting kettle for 10-20 minutes, where the microwave hydrothermal reaction kettle temperature is 140-160 degrees C, the microwave reacting kettle power is 200 watts and the reaction kettle pressure is 180 pounds/square inch, naturally cooling the microwave reaction kettle to room temperature, taking out the reacted kettle sample, and filtering the reacted kettle sample to obtain graphene/poly (3,4-ethylenedioxythiophene) compound nanomaterial.