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C. L. CHOK1, B. L NG1, F. K. YAM1,*
This paper presents growth of titania nanotubes by electrochemical oxidation (anodizing) approach of titanium foil in fluoride-based ion electrolyte. The ammonium fluoride (NH4F) concentration was varied from 0.6 to 1.5 wt.% and its effects on the morphology of titania nanotubes were investigated. The inner diameters were affected by the concentration of electrolyte, it was observed that arrays of titania nanotubes with pores diameter ranging from 15 to 115 nm can be prepared by using NH4F electrolyte. The study showed that the titania nanotube arrays formed by anodization were more uniformly arranged at low concentration fluoride-based electrolyte. In addition, from field emission scanning electron microscope (FESEM), a very interesting structure, i.e. small pores formed in bigger pore, was observed..
Anodic process, Morphology, Titania nanotubes.
C. L. CHOK, B. L NG, F. K. YAM, The effects of fluoride-based electrolyte concentrations on the morphology of self-organized titania nanotubes, Optoelectronics and Advanced Materials - Rapid Communications, 4, 2, February 2010, pp.148-150 (2010).
Submitted at: Jan. 8, 2010
Accepted at: Feb. 2, 2010
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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