Zinc oxide nanorods were synthesized by a direct electrodeposition technique on indium tin oxide plates. The effect of a systematic variation of the deposition potential and the inter-electrode distance on the morphology of ZnO nanorods was investigated. X-ray diffraction studies indicated that the nanorods are highly c-axis oriented. The diameter of the nanorods depends mainly on the deposition potential and the electrode separation. Our detailed study of the synthesis-morphology correlations provide the optimal electrochemical conditions required for oriented ZnO nanorods with minimum diameter.
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