Fabrication and characterization of TiO2 nanotube arrays on Ti membrane enlarged by anodic oxidation

• Autorzy: Kim J. O. , Cho C. H. , Choi W. Y.

Identyfikatory

DOI

10.1515/msp-2015-0070

• Języki publikacji: EN

Abstrakty

EN

TiO₂ nanotube arrays have attracted a great deal of attention as photocatalytic and photoelectrode materials due to their large surface area, low cost and easy fabrication. Highly ordered TiO₂ nanotube arrays for the photoelectrodes in dye-sensitized solar cells have been fabricated from Ti foil. However, the TiO₂ nanotube arrays from Ti foil were not effective for the photocatalytic materials, because it had only one plane for the photocatalytic reaction. We have fabricated the TiO₂ nanotube arrays from macroporous Ti metal membrane by anodic oxidation and tried to scale it up. Various factors were controlled to obtain the optimal microstructure of the TiO₂ nanotube arrays on the surface of macroporous Ti metallic membrane. Microstructure and phase were studied by SEM and XRD, respectively. Temperature was a very important factor in anodic oxidation of large surface area. 10 μm thick TiO₂ nanotube arrays on Ti metallic membrane having a large surface area were fabricated and some factors for scaling-up were discussed.

Słowa kluczowe

EN

TiO2; nanotube; arrays; anodic oxidation; photocatalysis; scaling-up; anatase

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2015
• Tom: Vol. 33, No. 3
• Strony: 588--592
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Kim J. O.

• Department of Civil and Environmental Engineering, Hanyang Univeristy, Seoul 131-791, Korea

autor

Cho C. H.

• Graduate School of Green Energy Technology, Chungnam National University, Daejeon 305-764, Korea

autor

Choi W. Y.

• Department of Metal and Materials Engineering, Gangneung-Wonju National University, Gangneung 210-702, Korea
• Research Institute for Dental Engineering, Gangneung-Wonju National University, Gangneung 210-702, South Korea

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