▎ 摘　　要

NOVELTY - The method involves forming a catalytic metal layer on a substrate. The catalytic metal layer on the substrate is heat-treated while supplying methane gas. Multi-layer graphene is synthesized on the heat-treated catalytic metal layer, where the catalytic metal layer is formed on the substrate by using multilple techniques selected from a group consisting of electron-beam evaporation deposition technique, thermal evaporation deposition technique, laser molecular beam epitaxy (L-MBE), pulsed laser deposition (PLD), electro-plating technique and sputtering technique. USE - Method for synthesizing multi-layer graphene e.g. bilayer and trilayer graphene. ADVANTAGE - The method enables synthesizing the multi-layer graphene on the substrate without separately repeating a transfer step so as to simplify production process and reduce production cost. The method enables reducing mismatch and defects of an interface between graphene layers as the multilayer graphene is not formed by repeatedly transfering monolayer graphene, thus improving electrical characteristics of the graphene. DESCRIPTION OF DRAWING(S) - The drawing shows a graphical view illustrating a method for synthesizing multi-layer graphene.