Multi-colored dye-sensitized solar cells

被引:82
作者
Otaka, H [1 ]
Kira, M [1 ]
Yano, K [1 ]
Ito, S [1 ]
Mitekura, H [1 ]
Kawata, T [1 ]
Matsui, F [1 ]
机构
[1] Hayashibara Biochem Labs Inc, Tokyo Cooperat Res Ctr, Shinjyuku Ku, Tokyo 1600021, Japan
关键词
dye-sensitization; multi-colored solar cell; titanium dioxide; molten salt; sensitizing dye;
D O I
10.1016/j.jphotochem.2003.11.012
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Multi-colored solar cells sensitized with organic dyes were developed by optimizing electrolytes and counter electrodes to enhance the transparence of the both by reducing the concentration of iodine dissolved in the imidazolium-based electrolytes and by employing a platinum layer of a 0.5 nm thickness. The solar cells were assembled by using nano-crystalline TiO2 electrodes adsorbing sensitizing dyes, an electrolyte consisting of a mixture of iodine and 1-butyl-3-methylimidazolium iodide in a 0.2: 10 molar ratio and the counter platinum electrode to give cells bearing red, purple, blue, green and black colors. The multi-colored solar cells were connected in series to exhibit a 2.1% conversion efficiency under AM 1.5 (1 sun, 100m W cm(-2)) it-radiation with a total semiconductor area of 25 cm(2). (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:67 / 73
页数:7
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