Our news journalists obtained a quote from the research, "These dyes have been used as sensitizers in dye-sensitized solar cells, and their performance has been compared with that of phthalocyanine (Pc) sensitizer TT40, which has an ethynyl bridge between the anchoring carboxy group and the macrocycle. The new ZnPcs show an extended pi-conjugated system which produces red maximum of ca. 10 nm in comparison to that of TT40."
According to the news editors, the research concluded: "Despite the red-shifted spectral response, these cells gave modest power conversion efficiencies of ca. 3% because of the lower lowest unoccupied molecular orbital level of the Pcs, which limits the electron injection from the dyes to the TiO2."
For more information on this research see: Molecular Engineering of Phthalocyanine Sensitizers for Dye-Sensitized Solar Cells.
The news correspondents report that additional information may be obtained from
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