Alternative energy source 1 Current density 1 Electrochemical deposition 1 Electrochemical growth 1 Glass 1 Graphene 1 Growth temperature 1 High current densities 1 Hybrid structure 1 II-VI semiconductors 1 Low current density 1 Nanorod 1 Nanorods 1 Optical properties 1 Reduction 1 Solar cell 1 Solar cells 1 Structural and optical properties 1 X-ray diffraction measurements Zinc oxide 1 Zinc oxide nanostructures 1