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gohappy

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Application of p-Extended Ferrocene with Varied Anchoring Groups as
Photosensitizers in TiO2-Based Dye-Sensitized Solar Cells

Two new compounds, FcCH=NC6H4COOH (1) and FcCH=
NCH2CH2OH (2) (Fc=C5H4FeC5H5),have been synthesized and characterized
by elemental analyses, IR and 1HNMR spectroscopy, and ESI-MS. Attempt has been made to explain their quasi-reversible redox behavior evidenced by cyclic voltammetry usingdensity functional theory (DFT) calculations. Light-harvesting properties of both the compounds and also the starting material, FcCHO (3), have been studied using these compounds as photosensitizers in TiO2-based dye-sensitized solar cells having either a propylene carbonate-based electrolyte or
ionic liquid electrolyte, namely, 1- propyl-3-methyl imidazolium iodide (PMII). Long-term stability of the photocurrent output of the cell using compound 1 as photosensitizer has been monitored periodically over 1400 h.

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nowchenchao

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