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Regensburg 2007 – scientific programme

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O: Fachverband Oberflächenphysik

O 5: Nanostructures at Surfaces I (Wires, Tubes)

O 5.1: Talk

Monday, March 26, 2007, 11:15–11:30, H36

TiO2 nanotubes, formation and properties — •Ghicov Andrei, Schmuki Patrik, Macak Jan, and Kunze Julia — WW4- LKO, University of Erlangen-Nuremberg, Martensstr.7, D-91058 Erlange

Electrochemically grown TiO2 nanotubes represent a combination between a structure with a high effective surface area with numerous functional properties. The material has an adjustable crystalline structure (amorphous /anatase /rutile) which makes the ordered nanotube layers a candidate for even wider applications in different fields. The presentation will show how TiO2 nanotubes can be grown on titanium substrates and how their geometry can be adjusted in desired ways by anodization parameters. The surface structure and - area are a key factors for wetting [1], biomedical [2], catalytic [3] and electronic [4] applications - some specific examples will be discussed.

References:

[1]. E. Balaur, J. M. Macak, L. Taveira, P. Schmuki, Electrochem. Commun, 7 (2005) 1066

[2]. H. Tsuchiya, M. Macak Jan, L. Muller, J. Kunze, F. Muller, P. Greil, S. Virtanen, P. Schmuki, J. Biomed. Mater. Res., Part A 77 (2006) 534

[3]. J. M. Macak, H. Tsuchiya, A. Ghicov, P. Schmuki, Electrochem. Commun, 7 (2005) 1133

[4]. R. Beranek, H. Tsuchiya, T. Sugishima, J. M. Macak, L. Taveira, S. Fujimoto, H. Kisch, P. Schmuki, Appl. Phys. Lett., 87 (2005) 243114

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