The Preparation of TiO₂ Nanotube by ZnO Nanorod Template Method and Application in Dye-Sensitized Solar Cells

Abstract:

Titanium dioxide (TiO₂) nanotubes film was deposited on conducting glass oxide (FTO) by using ZnO nanorods as template, and the TiO₂ nanotubes film was applied in DSCs. First, ZnO nanorods were fabricated on ZnO-doped TiO₂ seed layer coated substrates by the hydrothermal method. Second, the obtained ZnO nanorods were used as a template to synthesize ZnOTiO₂ coreshell structure through the immersion method. Third, the ZnO nanorods template was removed by etching method to obtained TiO₂ nanotubes film. The thickness of ZnO-doped TiO₂ seed layer is about 200nm and the crystalline size of nanoparticles are about 5~10nm. The length of the ZnO nanorods are about 1~3μm. The TiO₂ nanotube was composed of TiO₂ nanoparticles. The short-circuit current density (Jsc), open-circuit voltage, fill factor (FF) and efficiency of TiO₂ nanotubes DSC were 4.63 mA·cm^-2, 0.74V, 62% and 2.15%, respectively.

• Periodical: Key Engineering Materials (Volumes 602-603)
• Pages: 888-892
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.602-603.888
• Online since: March 2014
• Authors: Yan Xiang Wang, Yu Hong Ye*, Jian Sun
• Keywords: Dye-Sensitized Solar Cell, Titanium Dioxide Nanotube, Zinc Oxide Nanorod Template

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