Quasi-solid dye-sensitized solar cells: control of TiO2-gel electrolyte interfaces

Shuzi Hayase; Takehito Kato; Takashi Kado; Shohei Sakaguchi; Hirotaka Ueki; Wataru Takashima; Keiichi Kaneto; Ryuichi Shiratuchi; Hiroyasu Sumino; Shinji Murai; Satoshi Mikoshiba

doi:10.1117/12.505564

6 February 2004 Quasi-solid dye-sensitized solar cells: control of TiO₂-gel electrolyte interfaces

Shuzi Hayase, Takehito Kato, Takashi Kado, Shohei Sakaguchi, Hirotaka Ueki, Wataru Takashima, Keiichi Kaneto, Ryuichi Shiratuchi, Hiroyasu Sumino, Shinji Murai, Satoshi Mikoshiba

Author Affiliations +

Proceedings Volume 5215, Organic Photovoltaics IV; (2004) https://doi.org/10.1117/12.505564
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

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.

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Shuzi Hayase, Takehito Kato, Takashi Kado, Shohei Sakaguchi, Hirotaka Ueki, Wataru Takashima, Keiichi Kaneto, Ryuichi Shiratuchi, Hiroyasu Sumino, Shinji Murai, and Satoshi Mikoshiba "Quasi-solid dye-sensitized solar cells: control of TiO₂-gel electrolyte interfaces", Proc. SPIE 5215, Organic Photovoltaics IV, (6 February 2004); https://doi.org/10.1117/12.505564

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