Electrical Conductivity Comparison Between Two Preparing Methods for Graphene/Copper Composite

Copper wires are the state-of-the-art materials which are widely used in almost every electric and electronic related field in civil lives or industry. One of the most active research topics consists of compounding carbon-based materials with copper, due to their performance advantage in density, electrical and mechanical properties. In this paper, graphene reinforced copper samples have been prepared in two different methods, namely metallurgy method and Chemical Vapour Deposition (CVD) method. Electrical conductivity measurements were performed on samples prepared via both methods. Technologies such as SEM was adopted in our analysis to Figure out the mechanism causes this difference from a microscope point of view. Analysis results indicate that, with properly controlled preparing parameters, graphene reinforced copper composite can achieve a distinctive improvement in terms of electrical conductivity over traditional copper material.