| Synthesis of TiO2 nanotube arrays at different voltages and temperatures in organic electrolyte |
| Paper ID : 2417-UFGNSM13-FULL |
| Authors: |
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Farzad Nasirpouri Department of Materials Engineering, Sahand University of Technology, Tabriz, Iran |
| Abstract: |
| Anodization of titanium in organic electrolyte, like ethylene glycol, results in very high aspect ratio nanotubes with smooth walls. However, the morphology of these nanotubes is affected by many parameters such as anodization voltage, electrolyte composition and temperature. In this paper, anodization of titanium was conducted in ethylene glycol+4wt% H3PO4+0.25wt% HF. The samples were anodized at 60, 80,100 and 120V for 1 h at 0°C and 30°C. The current-time curves showed that increasing of anodization voltage results in larger dielectric breakdown due to the larger electric field in the electrolyte. By anodization of Ti in the lower temperature, the dielectric breakdown occurred in longer time due to the lower ionic exchange in 0°C. The morphology and microstructure of TiO2 nanotubes were confirmed by scanning electron microscopy and X-Ray diffraction. |
| Keywords: |
| TiO2, Nanotube, Anodizing, Organic electrolyte, Self-organizing |
| Status : Paper Accepted (Poster Presentation) |
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