Graphene oxide, dispersed in water, can be electrochemically reduced to thin conductive graphene films by adjusting the conductivity of the suspension, say scientists from Australia.
Read this HOT PCCP paper today:
Direct electro-deposition of graphene from aqueous suspensions
M Hilder et al. Phys. Chem. Chem. Phys., 2011, DOI: 10.1039/c1cp20173e