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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.117  No.1363 (March) (2009)  >  pp.369-372

Journal of the Ceramic Society of Japan
<<Previous article Vol.117  No.1363 (March) (2009)   pp.369 - 372 Next article>>

Effect of ultrasonication on anodic oxidation of titanium

Naoya ENOMOTO1), Masaaki KURAKAZU1), Miki INADA1), Kai KAMADA1), Junichi HOJO1) and Wan-In LEE2)
1) Department of Applied Chemistry, Faculty of Engineering, Kyushu University
2) Department of Chemistry, Inha University


  Porous titania (TiO2) was synthesized under ultrasonic vibration via an anodic oxidation of titanium metal in various kinds of electrolyte such as HNO3, H2SO4, and their mixture. HNO3 resulted in amorphous or poorly-crystalline particles with mesopores while H2SO4 resulted in dense and crystalline film with macropores. Ultrasound in general decreased the maximum voltage, film thickness, and a rutile phase, while it increased the region for the formation of mesoporous structure. Role of ultrasound on the anodic oxidation is discussed.


Keyword:
Anodization, Mesoporous titania, Sonochemistry, Ultrasound

Received: December 01, 2008
Accepted: February 19, 2009 , Published online: March 01, 2009
Copyright (c) 2009 The Ceramic Society of Japan

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