Pt and TCO free hybrid bilayer silver nanowire-graphene counter electrode for dye-sensitized solar cells

► Pt-TCO free bilayer silver nanowire and graphene nanoplatelets based hybrid counter electrodes. ► Electro-catalytically active electrode in cobalt complex based electrolyte system. ► Conjugation of carbon nano material with metal nanostructure. ► Efficient and economically viable counter electrodes in DSSCs.