▎ 摘　　要

NOVELTY - Manufacturing graphene, comprises (S100) mixing ionic liquid containing fluorine and carbon structures including graphite, carbon nanotubes and carbon nanofibers to prepare a mixture, (S102) irradiating primary ultrasonic waves on the prepared mixture, (S104) irradiating microwaves on the mixture, and (S106) irradiating secondary ultrasonic waves on the mixture. USE - The method is useful for manufacturing graphene (claimed). ADVANTAGE - The method produces large amount of graphene in easy and environmentally friendly manner. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic flowchart of the method for manufacturing graphene (Drawing includes non-English language text). Mixture preparing step (S100) Primary ultrasonic waves irradiating step (S102) Microwaves irradiating step (S104) Secondary ultrasonic waves irradiating step (S106) Separating step (S108)