Zinc oxide 9 ZnO nanostructures Nanostructures 6 Nanorods 5 Zinc 5 II-VI semiconductors 3 Substrates 3 Thermoelectric equipment 3 Annealing temperatures 2 Annealing treatments 2 Chemicals removal (water treatment) 2 Electronic equipment 2 Growth mechanisms 2 Immersion method 2 Nanostructured materials 2 Vertically aligned 2 Zinc oxide nanostructures 2 Annealing 1 Atmospheric humidity 1 Band gap 1 Band gap narrowing 1 Chemical-bath deposition 1 Concentration ratio 1 Conduction-band minimum 1 Crystallite size 1 Deposition 1 Different precursors 1 Doping 1 Doping (additives) 1 Effect of temperature 1