publication . Article . 2006

Formation of titania photocatalyst films by microarc oxidation of Ti and Ti–6Al–4V alloys

Young-Keun Shin; Won-Seok Chae; Yong-Won Song; Yun-Mo Sung;
Open Access English
  • Published: 01 Mar 2006 Journal: Electrochemistry Communications (issn: 1388-2481, Copyright policy)
  • Publisher: Elsevier
Abstract
Microarc oxidation (MAO) was performed for pure Ti and Ti–6Al–4V alloys, respectively to evolve porous titanium oxide (TiO2:titania) films at their surfaces. X-ray diffraction (XRD) analysis results reveal that TiO2 films formed on pure Ti and Ti–6Al–4V alloys have high content of anatase with small content of rutile phases, which would be ideal for high-performance photocatalytic properties. The rutile content was gradually increasing with MAO time period for Ti alloys, while that was almost constant value of 10 vol% for pure Ti. Scanning electron microscopy (SEM) images of the films show uniformly distributed pores for both pure Ti and Ti–6Al–4V alloys. The po...
Subjects
free text keywords: Industrial electrochemistry, TP250-261, Chemistry, QD1-999, Electrochemistry, Analytical chemistry, Anatase, Titanium, chemistry.chemical_element, Titanium oxide, Photocatalysis, Porosity, Scanning electron microscope, Oxide, chemistry.chemical_compound, Rutile
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