Abstract

A systematic study of the growth of uniform vertically-aligned ZnO nanowires is presented. It is shown how, by careful control over the growth parameters, high quality nanowires of chosen morphology may be synthesized at low temperatures using electro-deposition. The key experimental parameters were the growth temperature, the ZnCl2 concentration in the electrolyte, the applied voltage and the thickness of the catalytic Au film. As a result of optimizing these parameters, ZnO nanowires with tailored dimensions were realized – an essential prerequisite for the use of such nanowires in functional nanoscale devices.

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