▎ 摘　　要

NOVELTY - One-dimensional graphene comprises basic structure unit of carbon six-membered ring or planar six-membered ring where the structure extends outwardly adjacent to the vertical direction of two sides to generate linear structure or folding structure. USE - One-dimensional graphene. ADVANTAGE - The one-dimensional graphene has strong mechanical strength, high electric conductivity and thermal conductivity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing one-dimensional graphene which involves: (A) placing the dehydrating agent in oven for activation treatment, removing the surface of magnesium oxide, putting the dehydrating agent in the first reaction vessel and adding the derivative of benzene uniformly mixing the metal sheet or glass sheet cleaning as carrier substrate, which is placed on the first reaction vessel and placing the first reaction vessel into the tubular atmosphere furnace; (B) placing the second reaction vessel into the magnesium powder, putting in the tube type atmosphere furnace at one side of the first reaction vessel, where one end of joint magnesium with lead is set at side of second reaction vessel, extracting the tubular atmosphere furnace at (-)0.1 megaPascal, filling argon gas at normal pressure and repeating the operation; (C) maintaining the argon flow at 0.1 liter/minute, heating the tubular atmosphere furnace at 330-380 degrees C, beginning the flow of argon gas stream and carbon dioxide gas to magnesium bandpass and keeping for 20-60 minutes; and (D) closing the carbon dioxide gas and argon gas flow into water vapor, heating at 300-350 degrees C for 30 minutes, then closing the water vapor, continuously maintaining the argon flow of 0.1 liter/minute, and maintaining the tubular atmosphere furnace temperature at 330-380 degrees C keeping for 20-60 minutes and cooling to obtain film of one-dimensional graphene crystal.