Preparation and properties of Ni-doped ZnO rod arrays from aqueous solution

Abstract. Ni-doped ZnO rod arrays were successfully prepared on glass substrate from the aqueous solution at a temperature of 80 ◦C. The densities, diameters, and lengths of the rods can easily be well controlled through the concentrations of dopants, and the dopant Ni ions were incorporated into the wurtzitestructure of ZnO crystal. Room temperature photoluminescence spectrum of rod arra…