Abstract
We report the comparative study of TiO2 nanoflower (NF) and TiO2-ZnO composite NF in terms of properties and dye-sensitized solar cell performances. TiO2 NF has been constructed by using the simple liquid phase deposition (LPD) method while TiO2-ZnO composite NF was prepared by using dip-coating method in which the as-prepared TiO2 NF was immersed into ZnO growth solution. The power conversion efficiency of the DSSC utilizingTiO2-ZnO composite NF is higher (0.62 ± 0.02%) compared to TiO2 NF (0.17 ± 0.10%) due to higher photon absorption, dye loading, R cr, and longer electron life time than those of TiO2 NF.
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