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Title:
DYE-SENSITIZED SOLAR CELL AND SENSITIZING DYE
Document Type and Number:
WIPO Patent Application WO/2013/027838
Kind Code:
A1
Abstract:
Provided is a dye-sensitized solar cell wherein the surface of titanium oxide, which constitutes a semiconductor electrode, is made to adsorb two different kinds of dye so as to improve the photoelectric conversion efficiency. A dye-sensitized solar cell which comprises a conductive supporting body, a porous semiconductor layer that is on the conductive supporting body and has a sensitizing dye adsorbed thereon, a carrier transport layer and a counter electrode. The photoelectric conversion efficiency of this dye-sensitized solar cell is improved by having the porous semiconductor layer adsorb a ruthenium complex and an organic dye in a mixed state, said organic dye having a different molecular size and a high open circuit voltage as a photoelectric conversion characteristic of the organic dye alone.

Inventors:
Han Liyuan (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
韓 礼元 (〒47 茨城県つくば市千現一丁目2番地1 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
Application Number:
JP2012/071505
Publication Date:
February 28, 2013
Filing Date:
August 24, 2012
Export Citation:
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Assignee:
NATIONAL INSTITUTE FOR MATERIALS SCIENCE (2-1 Sengen 1-chome, Tsukuba-shi Ibaraki, 47, 〒3050047, JP)
独立行政法人物質・材料研究機構 (〒47 茨城県つくば市千現一丁目2番地1 Ibaraki, 〒3050047, JP)
Han Liyuan (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
International Classes:
H01M14/00; C09B23/00; H01L31/04
Domestic Patent References:
WO2004082061A1
Foreign References:
JP2006278112A
JP2009032547A
JP2000268892A
JP2003249279A
JP2006107885A
JP2006278112A
JP2009212035A
Other References:
HUAJIE CHEN ET AL.: "High Molar Extinction Coefficient Branchlike Organic Dyes Containing Di(p-tolyl)phenylamine Donor for Dye-Sensitized Solar Cells Applications", J. PHYS. CHEM. C, vol. 114, no. 7, 2010, pages 3280 - 3286, XP055143242
SE WOONG PARK ET AL.: "Effect of donor moiety in organic sensitizer on spectral response, electrochemical and photovoltaic properties", SYNTHETIC METALS, vol. 159, no. 23-24, 2009, pages 2571 - 2577, XP026806581
See also references of EP 2752935A4
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Attorney, Agent or Firm:
NISHIZAWA Toshio (Kudan-Horie Bldg. 6F, 3-14 Kudan-kita 4-chome, Chiyoda-k, Tokyo 73, 〒1020073, JP)
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Claims: