Research Article

Fabrication of Monolithic Dye-Sensitized Solar Cell Using Ionic Liquid Electrolyte

Figure 7

Impedance spectra (Cole-Cole plot) of monolithic- (a) and sandwich- (b) structured DSCs, which was analyzed using an equivalent circuit (c), where , , and CPE are series resistance, parallel resistance and constant-phase element (imperfect capacitance), respectively.
915352.fig.007a
(a)
915352.fig.007b
(b)
915352.fig.007c
(c)