Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 7, Issue 5, Pages 505-509Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2005.03.007
Keywords
titanium oxide; self-organization; nanotubes; anodic oxidation; phosphate electrolytes
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In the present communication, we report the electrochemical formation of self-organized titanium oxide nanotubes (pi-TiO2) prepared in fluoride ion containing phosphate electrolytes. The morphology of the pi-TiO2 layers (particularly the pore diameter and length) is affected by the electrochemical conditions used (applied potential, electrolyte composition, pH, and anodizing time). Under specific sets of conditions highly self-organized titanium oxide nanotubes are formed with diameters varying from approx. 40 nm to 100 nm and length from approx. 100 nm to 4 mu m. XPS investigations show that the nanotubes formed in phosphate solutions contain a significant amount of phosphorous species. (c) 2005 Elsevier B.V. All rights reserved.
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