A new insight into producing electromagnetic shielding cotton via graphene spraying

In this study, we produced electromagnetic shielding and electro-conductive cellulose fibers via graphene spraying. Polyvinyl phosphonic acid was used as stabilizing agent to embed graphene on cellulose. The influence of graphene content and stabilizer on the electromagnetic shielding and electro-conductivity of the cellulose fiber were investigated using network and four-point probe electrical conductivity analyzers according to AATCC Test Method 76-2005 and ASTM D4935-99, respectively. Results showed that the electrical conductivity and EMI shielding of cotton is highly dependent on the graphene content and it increases the electrical conductivity properties of cotton due to intrinsic properties. Our simple spray coating is a novel promising method for utilizing highly electro-conductive cellulosic substrates.

Keywords:

graphene , electroconductive cellulose , polyvinylphosphonic acid