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Verhandlungen
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DPG

Berlin 2012 – scientific programme

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O: Fachverband Oberflächenphysik

O 35: Poster Session II (Polymeric biomolecular films; Nanostructures; Electronic structure; Spin-orbit interaction; Phase transitions; Surface chemical reactions; Heterogeneous catalysis; Particles and clusters; Surface magnetism; Electron and spin dynamics; Surface dynamics; Methods; Electronic structure theory; Functional molecules)

O 35.12: Poster

Tuesday, March 27, 2012, 18:15–21:45, Poster B

Three-dimensional TiO2 nanotube arrays for photo-device application — •Ahmed al-Haddad1,2, Yaoguo Fang1, Huaping Zhao1, and Yong Lei11Fachgebiet 3D-Nanostrukturierung, Institut für Physik & Zentrum für Mikro- und Nanotechnologien (ZIK MacroNano), Technische Universität Ilmenau, 98693 Ilmenau, Germany. — 2Department of Physics, College of Science, University of Al-Mustansiryah, Baghdad, Iraq

Thin films of high purity titanium were deposited on p-Si surface by physical vapour deposition (electron beam deposition) and followed by anodization of the deposited titanium thin film in an ethylene glycol solution at room temperature. TiO2 nanotubes are well aligned and organized into high-order uniform arrays. The morphology and crystallization of the resulting three-dimensional TiO2 nanotubes were investigated by scanning electron microscopy and X-ray diffraction. Current-voltage and capacitance-voltage characteristics and photo responsivity was measured for these arrays.

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