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Behavior of glycerol concentration in a HCl electrolyte for obtaining Titania nanostructures by anodic oxidation

  • E. Martínez Cantú (a1), D. J. Araujo-Pérez (a2), L. García-González (a1), A. Báez Rodríguez (a1), J. Hernández-Torres (a1) and L. Zamora-Peredo (a1)...

Abstract

In this work, the anodization of grade 2 titanium was performed using a HCl-based electrolyte in order to obtain Titania nanostructures. Different glycerol concentrations were added to the HCl electrolyte to study the effect it has on the shape and density of the nanostructures, additionally, anodization time and voltage was also varied. The anodized samples were observed by SEM microscopy and studied by Raman spectroscopy and X-ray diffraction. Raman spectroscopy and XRD showed the formation of the anatase phase of the TiO2. By SEM it was possible to observe several changes in the shape of the structures, by adding glycerol ball-like structures were visible, anodization time did not change the shape of the nanostructures. However, the voltage variation showed a clear control on the shape of the structures, forming nanotubes at higher voltages. It was concluded that a better control of the shape and density of the nanostructures is achieved by adding glycerol, however, in order to overcome the resistance that the electrolyte brings, higher voltages are required.

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Keywords

Behavior of glycerol concentration in a HCl electrolyte for obtaining Titania nanostructures by anodic oxidation

  • E. Martínez Cantú (a1), D. J. Araujo-Pérez (a2), L. García-González (a1), A. Báez Rodríguez (a1), J. Hernández-Torres (a1) and L. Zamora-Peredo (a1)...

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