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Proceedings Paper

Quasi-solid dye-sensitized solar cells: control of TiO2-gel electrolyte interfaces
Author(s): Shuzi Hayase; Takehito Kato; Takashi Kado; Shohei Sakaguchi; Hirotaka Ueki; Wataru Takashima; Keiichi Kaneto; Ryuichi Shiratuchi; Hiroyasu Sumino; Shinji Murai; Satoshi Mikoshiba
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Paper Abstract

Quasi-solid dye sensitized solar cells (Q-DSSC) were fabricated by employing gel electrolytes containing ionic liquids and gelators. Sufficient physical contacts between nano-crystalline TiO2 particles and gel electrolytes in nano-porous TiO2 layers were achieved by solidifying gel electrolyte precursors after the cells are filled with the electrolytes. Photo-currents increased largely by embedding carboxylic acids among dye molecules on TiO2 crystals. The nano-porous TiO2 electrolytes were fabricated by dipping the dye anchored TiO2 substrates in dilute solutions of carboxylic acids. It was found that resistances in the TiO2 layers decreased by these treatments.

Paper Details

Date Published: 6 February 2004
PDF: 8 pages
Proc. SPIE 5215, Organic Photovoltaics IV, (6 February 2004); doi: 10.1117/12.505564
Show Author Affiliations
Shuzi Hayase, Kyushu Institute of Technology (Japan)
Takehito Kato, Kyushu Institute of Technology (Japan)
Takashi Kado, Kyushu Institute of Technology (Japan)
Shohei Sakaguchi, Kyushu Institute of Technology (Japan)
Hirotaka Ueki, Kyushu Institute of Technology (Japan)
Wataru Takashima, Kyushu Institute of Technology (Japan)
Keiichi Kaneto, Kyushu Institute of Technology (Japan)
Ryuichi Shiratuchi, Kyushu Institute of Technology (Japan)
Hiroyasu Sumino, Toshiba Corp. (Japan)
Shinji Murai, Toshiba Corp. (Japan)
Satoshi Mikoshiba, Toshiba Corp. (Japan)


Published in SPIE Proceedings Vol. 5215:
Organic Photovoltaics IV
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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