Abstract
Nanotube arrays of TiO 2 were synthesized by using a template of ZnO nanorod arrays on fluorine-doped SnO 2 (FTO) transparent conducting oxide glass substrate by liquid phase deposition (LPD) method. Dye (N719) sensitized solar cells (DSCs) comprising the TiO 2 nanotube arrays were fabricated under the various conditions of the calcined temperature in the range of 300–500 °C. The sintering temperature drastically affected the film crystallinity. Cell performances of the DSCs based on the TiO 2 nanotube arrays with different cryatalinities were characterized and compared. It was found that the content of crystalline phase of anatase TiO 2 nanotube arrays increased on raising the calcination temperature up to 500 °C and resulting in enhancement of the cell performance of DSCs in terms of the short-circuit photocurrent density.
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