Electrochemical growth of vertically aligned ZnO nanorod arrays on oxidized bi-layer graphene electrode

Abstract

Vertically aligned ZnO nanorod arrays were directly grown on flexible and transparent oxidized bi-layer graphene electrodes by seedless electrochemical deposition. Oxidized defects on the graphene surface induce epitaxial growth of highly dense single crystal ZnO nanorods. The diameter, length as well as morphology of the nanorods can be effectively controlled by adjusting reaction conditions.