Abstract
Dye-sensitised solar cells (DSSCs) have been widely studied since their discovery; however, a number of problems should be solved to enhance their efficiency. We successfully fabricate Titanium oxide nanotubes on the Ti foil as photoelectrodes to improve the power conversion efficiency of DSSCs by an anodising method under the influence of ultrasound wave. The morphology and structure of TiO2 nanotubes were characterised by the atomic force microscopy, scanning electron microscopy, X-ray diffraction and energy dispersive X-ray spectroscopy. The results confirmed a good array of TiO2 nanotubes on the Ti substrate at 30 min, the significantly improved output of DSSC, and the power conversion efficiency of 0.26 for enhancing the photovoltaic performance.
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