Abstract
TiO2 nanorod arrays are successfully synthesised on the transparent conductive fluorine-doped tin oxide glass through a facile one-step solvothermal route without any surfactant and template, TiO2 nanotube arrays were obtained through acid etching afterwards. Dye-sensitised solar cells based on these two different one-dimensional TiO2 photoelectrodes show the power conversion efficiency of 1.68 and 3.89% for nanorod and nanotube cells, respectively. The nanotube cell has better photoelectric performance than nanorod cell because of lower recombination, faster electron transformation, higher specific surface area for adsorbing more dye molecules and superior light scattering capacity for boosting the light-harvesting efficiency.
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