Abstract
Titanium dioxide (TiO2) nanotubes film was deposited on conducting glass oxide (FTO) by using ZnO nanorods as template, and the TiO2nanotubes film was applied in DSCs. First, ZnO nanorods were fabricated on ZnO-doped TiO2seed layer coated substrates by the hydrothermal method. Second, the obtained ZnO nanorods were used as a template to synthesize ZnOTiO2coreshell structure through the immersion method. Third, the ZnO nanorods template was removed by etching method to obtained TiO2nanotubes film. The thickness of ZnO-doped TiO2seed 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 TiO2nanotube was composed of TiO2nanoparticles. The short-circuit current density (Jsc), open-circuit voltage, fill factor (FF) and efficiency of TiO2nanotubes DSC were 4.63 mA·cm-2, 0.74V, 62% and 2.15%, respectively.
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