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Direct Assembly of Preformed Nanoparticles and Graft Copolymer for the Fabrication of Micrometer-thick, Organized TiO2 Films: High Efficiency Solid-state Dye-sensitized Solar Cells

Authors

  • Sung Hoon Ahn,

    1. Department of Chemical and Biomolecular Engineering, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, South Korea
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  • Won Seok Chi,

    1. Department of Chemical and Biomolecular Engineering, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, South Korea
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  • Jung Tae Park,

    1. Department of Chemical and Biomolecular Engineering, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, South Korea
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  • Jong Kwan Koh,

    1. Department of Chemical and Biomolecular Engineering, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, South Korea
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  • Dong Kyu Roh,

    1. Department of Chemical and Biomolecular Engineering, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, South Korea
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  • Jong Hak Kim

    Corresponding author
    1. Department of Chemical and Biomolecular Engineering, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, South Korea
    • Department of Chemical and Biomolecular Engineering, Yonsei University, 262 Seongsanno, Seodaemun-gu, Seoul 120-749, South Korea.

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Abstract

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Solid-state dye-sensitized solar cell with 7.1% efficiency at 100 mW/cm2 is reported, one of the highest observed for N719 dye. Excellent performance was achieved via a graft copolymer-templated, organized mesoporous TiO2 film with a large surface area using spindle-shaped, preformed TiO2 nanoparticles and solid polymer electrolyte.

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