Abstract

TiO 2 nanodendrite (ND) arrays have been synthesized on FTO substrates using a wet-chemical route. The aligned TiO 2 nanowire (NW) array was first synthesized on the FTO substrate by hydrothermal method. The branches of the TiO 2 NDs were then formed using an aqueous chemical bath deposition (CBD) without any capping agent followed by another hydrothermal process. With an anode thickness of ∼3 µm, TiO 2 ND dye-sensitized solar cell (DSSC) has superior photovoltaic properties to TiO 2 NW cell.

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