Good contact (anchor) between the dye and the semiconductor in DSSCs is necessary to provide fast and efficient injection of electrons. Solar cell dyes must contain at least one functional group (e.g., –COOH, –SO3H, –PO3H2, or –Si(OEt)3) to ensure good absorption of the dye on the semiconductor surface and produce good electron communication [6]. The FTIR measurements of Fig. 6 show that all dyes display sharp peaks in both the 2500–3000 cm−1 and 1600–1750 cm−1 regions, which correspond to the presence of the –OH and Cdouble bond; length as m-dashO groups, respectively. However, the amount of Cdouble bond; length as m-dashO stretching and –OH groups found in the PL dyes without benzoic acid were lower than those in the N719 dye. In the latter, the –COOH groups had the hydroxyl anchor on the TiO2, producing the ester and increasing the effect of the electron clutching on the CB of TiO2, thus enabling a fast and efficient electron transfer [3]. The striking difference between the N719 dye and the PL (as extracted) dye was the presence of substantial C-N stretching found in chlorophyll. As a result, the Jsc from the PL dye-based DSSC was lower than that from the N719 dye-based DSSC.