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Seidali Lir Z, Malekfar R. Synthesis and characterization of highly ordered titanium nanotubes with different lengths for highly efficient dye sensitized solar cells. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :333-336
URL: http://opsi.ir/article-1-172-en.html
URL: http://opsi.ir/article-1-172-en.html
1- Tarbiat Modares University, P.O.Box 14115-175, Tehran. I.R. Iran
Abstract: (5734 Views)
Abstract- The performance of nanotube (NT) based dye sensitized solar cells (DSSC) depends on the length of the NTs. In this research, we fabricated ordered nanochannel arrays of titanium nanotube (TNT) films at 22.5ᵒC on anodizing titanium (Ti) foil at a constant voltage of 60V. The electrolyte solution contained ammonium fluoride in ethylene glycol (EG). The NT lengths were controlled from 15 to 35µm while varying the anodization time. The NT films were treated with TiCl4 in two stages. With the increase in NT lengths, the great effective surface area TNT arrays has been shown to increase dye loading and photovoltaic performance of NT. The best performance of the NT-DSSC device was achieved at L ~ 30 µm.
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