I2-Resistant TiOx/Ag Collector Fabricated by Arc Plasma Deposition for Dye-Sensitized Solar Cells
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概要
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Dye-sensitized solar cells consisting of TiOx/Ag collectors resistant to I2 are described. Ag collectors have to be protected against I2 because Ag reacts with I2 contained in electrolytes. Ag collectors merely covered with sputtered Ti layers (sputtered Ti/Ag) were eroded when the substrate was dipped in electrolytes containing of I2, because of the insufficient coverage of Ag collectors with sputtered Ti layers. When the sputtered Ti/Ag layers were passivated further with TiOx layers by arc plasma deposition (APD-TiOx/sputtered Ti/Ag), Ag erosion was totally suppressed. APD-TiOx/Ag collectors were not resistant to I2 either. The combination of sputtered Ti layers and APD-TiOx layers was therefore necessary. The former was a kind of porous Ti layer in terms of iodide blocking but the coverage of the re-entrant areas of printed Ag was sufficient. The latter was pinhole-free but the coverage of re-entrant areas was not sufficient. Both compensated for the shortcomings of pinhole and re-entrant coverage.
- 2008-08-25
著者
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Hayase Shuzi
Graduate School Of Life Science And System Engineering Kyushu Institute Of Technology
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Kojima Shinichi
Graduate School Aichi Institute Of Technology
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Noma Yusuke
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatsu-ku, Kitakyushu 808-0196, Japan
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Yoshida Yorikazu
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatsu-ku, Kitakyushu 808-0196, Japan
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Kashiwa Yohei
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatsu-ku, Kitakyushu 808-0196, Japan
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Katoh Takehito
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatsu-ku, Kitakyushu 808-0196, Japan
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Kojima Shinichi
Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatsu-ku, Kitakyushu 808-0196, Japan
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