Review Article

Electrochemical Impedance Spectra of Dye-Sensitized Solar Cells: Fundamentals and Spreadsheet Calculation

Table 2

Parameters used to calculate EIS spectra of DSSC.

DescriptionParametersValueUnit

Ohmic series resistance10.0
Charge transfer resistance at the Pt CE3.5
CPE for capacitance at the Pt CE/electrolyte interface2.6 × 10−5
CPE index for capacitance at the CE/electrolyte interface0.90N/A
Electron diffusion resistance through TiO20.8
Electron recombination resistance at the TiO2/electrolyte interface9.0
CPE prefactor corresponding to the chemical capacitance () of TiO2 film1.0 × 10−3
CPE index corresponding to the chemical capacitance () of TiO2 film0.95N/A
Ionic diffusion resistance in the electrolyte5.0
Characteristic frequency of ionic diffusion2.0rad/s