Fabrication of self-organised highly ordered titanium oxide nanotube arrays by anodic oxidation and characterisation
by Raheleh Mohammadpour, Mohammad Mahdi Ahadian, Azam Iraji zad, Nima Taghavinia, Abol Ghasem Dolati
International Journal of Nanomanufacturing (IJNM), Vol. 5, No. 3/4, 2010

Abstract: Self-organised and vertically oriented titanium oxide nanotube array (TNTA) has been synthesised by potentiostat anodisation of Ti foil in fluoride-based electrolyte. By varying the anodisation voltage from 8 V to 24 V it was possible to gradually change the topologies of nanotubes. The size of TNTAs was measured using SEM images and also determined based on a non-destructive optical method. In addition, photoelectrochemical properties of nanotubular TiO₂/Ti electrodes were examined by anodic photocurrent response, potentiodynamic polarisation measurements and electrochemical impedance spectroscopy. A general equivalent circuit model was proposed for photoelectrochemical system consists of anodic nanotubular TiO₂ thin film electrode and test solution.

Online publication date: Fri, 02-Jul-2010

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