High molar extinction coefficient heteroleptic ruthenium complexes for thin film dye-sensitized solar cells.

@article{Kuang2006HighME,
  title={High molar extinction coefficient heteroleptic ruthenium complexes for thin film dye-sensitized solar cells.},
  author={Da Kuang and Seigo Ito and Bernard Wenger and C{\'e}dric Klein and Jacques‐E. Moser and Robin A. Humphry-Baker and Shaik Mohammed Zakeeruddin and Michael Gr{\"a}tzel},
  journal={Journal of the American Chemical Society},
  year={2006},
  volume={128 12},
  pages={
          4146-54
        }
}
Two novel heteroleptic sensitizers, Ru((4,4-dicarboxylic acid-2,2'-bipyridine)(4,4'-bis(p-hexyloxystyryl)-2,2-bipyridine)(NCS)2 and Ru((4,4-dicarboxylic acid-2,2'-bipyridine)(4,4'-bis(p-methoxystyryl)-2,2'-bipyridine) (NCS)2, coded as K-19 and K-73, respectively, have been synthesized and characterized by 1H NMR, FTIR, UV-vis absorption, and emission spectroscopy and excited-state lifetime and spectroelectrochemical measurements. The introduction of the alkoxystyryl group extends the… 
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The solar energy to electricity conversion efficiency of complexes shows that the number of attached carboxylates on a dye has an influence on the photoelectrochemical properties of the dye-sensitized electrode.
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