Photocatalytic Characteristics of Titania Thin Film Prepared by Micro Arc Oxidation

Han Jun Oh; Jong Ho Lee; Choong Soo Chi

doi:10.4028/www.scientific.net/KEM.543.141

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Synthesis and Kinetic of Palladium Nanotube Using Polymer Compound
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Photocatalytic Characteristics of Titania Thin Film Prepared by Micro Arc Oxidation
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 543Photocatalytic Characteristics of Titania Thin...

Photocatalytic Characteristics of Titania Thin Film Prepared by Micro Arc Oxidation

Abstract:

Anodic titania film was synthesized by electrochemical micro plasma oxidation method in H₂SO₄/NH₄NO₃ electrolyte, and electrochemical anodizing was carried out at various electrolyte temperatures. The photocatalytic properties and surface characteristics of anodic titania film were investigated. For anodic titania film synthesized at higher electrolyte temperature, the specific surface area of anodic film and the anatase crystalline phase gradually increased. The anodic titania film fabricated in high temperature electrolyte showed not only a slight red shift related to increasing the anatase phase ratio but also a high efficiency of dye degradation.

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Periodical:

Key Engineering Materials (Volume 543)

Pages:

141-144

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.543.141

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Online since:

March 2013

Authors:

Han Jun Oh, Jong Ho Lee, Choong Soo Chi

Keywords:

Anodizing, Electrolyte Temperature, Micro-Arc Oxidation (MAO), Photocatalysis, TiO₂

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