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

Figure 5

Nyquist ((a) and (c)) and Bode phase ((b) and (d)) plots of N719 and CL1 dye sensitised DSSCs in the dark ((a) and (b)) at −0.67 V and under 1 sun illumination ((c) and (d)) at open-circuit voltages.

(a)

(b)

(c)

(d)