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