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Proceedings Paper

Design of dye-sensitized solar cells with new light-harvesting dyes
Author(s): Morio Nagata; Mutsumi Kimura; Minoru Taya
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Paper Abstract

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.

Paper Details

Date Published: 10 April 2008
PDF: 7 pages
Proc. SPIE 6927, Electroactive Polymer Actuators and Devices (EAPAD) 2008, 692718 (10 April 2008); doi: 10.1117/12.778794
Show Author Affiliations
Morio Nagata, Univ. of Washington (United States)
Mutsumi Kimura, Shinshu Univ. (Japan)
Minoru Taya, Univ. of Washington (United States)

Published in SPIE Proceedings Vol. 6927:
Electroactive Polymer Actuators and Devices (EAPAD) 2008
Yoseph Bar-Cohen, Editor(s)

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