Organic Dyes Containing Coplanar Dihexyl-Substituted Dithienosilole Groups for Efficient Dye-Sensitised Solar Cells

<div>Theoretical UV/Vis spectra of the CL1-dye calculated within the B3LYP approximations to <i>xc</i>-functional showing a charge-transfer excitation energy of 618.4 nm (a) and CAM-B3LYP approximations showing a more accurate result of 453.6 nm (b).</div>

International Journal of Photoenergy

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Figure 9

Figure 9: Organic Dyes Containing Coplanar Dihexyl-Substituted Dithienosilole Groups for Efficient Dye-Sensitised Solar Cells 