Influence of nanostructured TiO2 film thickness on photoelectrode structure and performance of flexible Dye- Sensitized Solar Cells

Document Type : Research Paper

Authors

1 School of Chemistry, University College of Science, University of Tehran, Tehran, Iran.

2 School of Chemistry, Aleshtar Payame Noor University, Iran.

10.7508/jns.2012.03.009

Abstract

A  commercial  Ti-Nanoxide  was  deposited  on  In-doped  SnO2 (ITO) polymer  substrates by  tape casting  technique with different thicknesses  (7,  14  and  36μm)  to  be  used  as  photoelectrode  in flexible  dye-sensitized  solar  cells  (DSSCs).  Ruthenium  dye  was adsorbed on each TiO2 film for 24 h. The resulting photoelectrodes were used to form flexible DSSCs in combination with electrolyte and  counter  electrode.  The  prepared  films  were  characterized  by scanning electron microscopy (SEM) and atomic force microscopy (AFM).    Photovoltaic  parameters  like  short  circuit  current  (Isc), open  circuit  voltage  (Voc),  fill  factor  (FF)  and power  conversion efficiency (η) were evaluated for fabricated cells. The cell formed with a TiO2 film of 14μm thickness reached the best performance. 2012 JNS All rights reserved

Keywords

Journal of Nanostructures
Volume 2, Issue 3 - Serial Number 3
September 2012
Pages 327-332

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