Abstract
Titanium dioxide nanotubes were grown from titanium foil by anodization in ethylene glycol solutions containing water, ammonium fluoride and ethylenediaminetetraacetic acid (EDTA). Different anodization voltages and times were used and the properties of the grown nanotubular films were compared with the films anodized without EDTA. It was shown that it is possible to affect the size and volume of the TiO2 nanotubes in a straightforward manner by adding EDTA to the anodization solution. EDTA enhanced the surface area of the TiO2 structure by accelerating the dissolution of TiO2 by releasing fluoride ion from its titanium complexes.
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