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Organic Dyes Incorporating Low-Band-Gap Chromophores for Dye-Sensitized Solar Cells

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journal contribution
posted on 12.05.2005, 00:00 authored by Marappan Velusamy, K. R. Justin Thomas, Jiann T. Lin, Ying-Chan Hsu, Kuo-Chuan Ho
Versatile dyes based on benzothiadiazole and benzoselenadiazole chromophores have been developed that perform efficiently in dye-sensitized solar cells. Power conversion efficiency of 3.77% is realized for a dye in which charge recombination is probably hindered by the nonplanar charge-separated structure.