Electrolyte Influence on the Morphologies of Anodic ZrO2 Nanotube Arrays Formed by Anodization

Syahriza Ismail; Monna Rozana; Dede Miftahul Anwar; Go Kawamura; Atsunori Matsuda; Zainovia Lockman

doi:10.4028/www.scientific.net/AMR.1024.104

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Electrolyte Influence on the Morphologies of Anodic ZrO₂ Nanotube Arrays Formed by Anodization

Abstract:

Self-aligned ZrO₂ nanotube (ZNT) arrays were produced by anodization of Zr in aqueous sulphate/fluoride and ethylene glycol (EG)/fluoride electrolytes. The morphologies of the oxide produced were compared. It appears that the nanotubes formed in EG/fluoride are clearer showing smoother walls indicating better cell boundaries separation in this electrolyte. They are also longer with length > 10 µm after 1 hour of anodization. The x-ray diffraction pattern of the ZNTs revealed that ZNTs are cubic oxide.