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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.122  No.1428 (August) (2014)  >  pp.728-731

Journal of the Ceramic Society of Japan
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Perovskite-type SrTiO3, CaTiO3 and BaTiO3 porous film electrodes for dye-sensitized solar cells

Yuji OKAMOTO1), Yoshikazu SUZUKI2)
1) Graduate School of Pure and Applied Sciences, University of Tsukuba 2) Faculty of Pure and Applied Sciences, University of Tsukuba

Phase-pure perovskite-type SrTiO3, CaTiO3 and BaTiO3 electrodes have been applied for dye-sensitized solar cells, to obtain higher VOC than TiO2 electrode. Furthermore, TiO2/SrTiO3 and TiO2/BaTiO3 composite electrodes have been also prepared. SrTiO3, CaTiO3 and BaTiO3 powders synthesized by solid-state reaction method at 1200°C for 2 h were used to prepare the solar cells. Phase-pure SrTiO3 and BaTiO3 cells showed higher VOC than that from TiO2, but showed lower JSC and efficiency. To utilize the positive effect to increase the VOC, P25 TiO2/SrTiO3 and P25 TiO2/BaTiO3 composite DSC were prepared. For each series, ~30 wt % addition was favorable to increase the photo-electric conversion efficiency.

SrTiO3, CaTiO3, BaTiO3, Dye-sensitized solar cell, Perovskite, Double oxide

Received: April 21, 2014
Accepted: June 03, 2014 , Published online: August 01, 2014



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