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جلد 20 - مجموعه مقالات پذیرفته و ارائه شده در بیستمین کنفرانس اپتیک و فوتونیک ایران
ICOP & ICPET _ INPC _ ICOFS سال20 صفحات 336-333 |
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Seidali Lir Zahra، Malekfar Rasoul. Synthesis and characterization of highly ordered titanium nanotubes with different lengths for highly efficient dye sensitized solar cells. مقالات پذیرفته و ارائه شده در کنفرانسهای انجمن اپتیک و فوتونیک ایران. 1392; 20 () :333-336
1- Tarbiat Modares University, P.O.Box 14115-175, Tehran. I.R. Iran
چکیده: (5344 مشاهده)
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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