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10 April 2008 Design of dye-sensitized solar cells with new light-harvesting dyes
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Phthalocyanine dyes are well known for their intense absorption in the red and near-IR regions. We synthesized novel phthalocyanines for dye-sensitized solar cell (DSSC). Those dyes can absorb in the red and near-IR regions and adsorb onto the surface of TiO2. Using such phthalocyanines as working electrode with TiO2, DSSCs were assembled and its photocurrent-voltage and IPCE characteristics have been studied and compared. Light energy conversion efficiency of DSSCs depended on the structures of phthalocyanine, the co-adsorbent, and the electrolytes. Furthermore, multi-dye type DSSC was investigated, which mixed a phthalocyanine and a carotenoid derivative. The conversion efficiency of the multi-dye DSSC increased compared with the DSSC which used single dye.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Morio Nagata, Mutsumi Kimura, and Minoru Taya "Design of dye-sensitized solar cells with new light-harvesting dyes", Proc. SPIE 6927, Electroactive Polymer Actuators and Devices (EAPAD) 2008, 692718 (10 April 2008);

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