Optoelectronic devices 5 Zinc oxide 5 II-VI semiconductors 4 Nanorods 4 Energy gap 3 Optical properties 3 Photonics 3 Building integrated photovoltaic system 2 Concentration (process) 2 DFT study 2 Dielectric totally internally reflecting concentrators 2 Electrochemical deposition 2 Graphene 2 Growth mechanisms 2 Hybrid structure 2 Light 2 Optical concentrators 2 Optoelectronic applications 2 Photovoltaic cells 2 Reduction 2 Refractive index 2 Silicon 2 Structure (composition) 2 Thin film 2 Thin films 2 Vertically aligned 2 Zinc oxide (ZnO) 2 Zinc oxide nanostructures 2 band gap 2 dielectric 2