▎ 摘　　要

NOVELTY - Method for preparing graphene ribbons, comprises: preparing a graphitic material; and shortening the graphitic material by applying energy, simultaneously with or followed by, decomposing the graphitic material into graphene ribbons. The graphitic material is composed of graphene helices or helical graphene ribbons grown along its long axis. USE - The method is useful for preparing graphene ribbons. ADVANTAGE - The method provides mass production of graphene ribbons, thus opening up industrial applications utilizing the graphene ribbons in large scale.