Preparation, characterization, and application of titanium nano-tube array in dye-sensitized solar cells.

Nanoscale Research Letters
Shih-Yu HoWen-Ren Li

Abstract

The vertically orientated TiO2 nanotube array (TNA) decorated with TiO2 nano-particles was successfully fabricated by electrochemically anodizing titanium (Ti) foils followed by Ti-precursor post-treatment and annealing process. The TNA morphology characterized by SEM and TEM was found to be filled with TiO2 nano-particles interior and exterior of the TiO2 nano-tubes after titanium (IV) n-butoxide (TnB) treatment, whereas TiO2 nano-particles were only found inside of TiO2 nano-tubes upon titanium tetrachloride (TiCl4) treatment. The efficiency in TNA-based DSSCs was improved by both TnB and TiCl4 treatment presumably due to the increase of dye adsorption.

Citations

Oct 25, 2012·Nanoscale Research Letters·Teen-Hang MeenChien-Jung Huang

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Methods Mentioned

BETA
X-ray
scanning electron microscopy
scanning
transmission electron microscopy

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