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Journal of Nanomaterials
Volume 2012 (2012), Article ID 474656, 7 pages
http://dx.doi.org/10.1155/2012/474656
Research Article

Nanoporous ZnO Photoelectrode for Dye-Sensitized Solar Cell

1Department of Energy System Engineering, Faculty of Engineering, Yalova University, 77100 Yalova, Turkey
2Department of Physics, Science Faculty, Atatürk University, 2510 Erzurum, Turkey

Received 16 January 2012; Revised 7 April 2012; Accepted 9 April 2012

Academic Editor: Mauro Coelho dos Santos

Copyright © 2012 Bayram Kılıç et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Nanoporous and macroporous structures were prepared by using self-assembled monolayer (SAM) onto ZnO thin films in order to investigate the efficiency of dye-sensitized solar cells (DSSCs) produced using these films. Using SAM on ZnO thin films, it is obtained successfully assembled large-area, highly ordered porous ZnO thin films. Varying nanoporous radius is observed between 20 and 50 nm sizes, while it is 500–800 nm for macroporous radius. The solar conversion efficiency of 2.75% and IPCE of 29% was obtained using ZnO nanoporous/N719 dye/I/I3 electrolyte, while macroporous ZnO given solar conversion efficiency of 2.22% and IPCE of 18%.