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Table 1 Electrochemical impedance spectra (EIS) parameters of PEDOT/FTO CE, TiO 2 -PEDOT:PSS/PEDOT:PSS/glass CE, and Pt/FTO CE

From: A novel hierarchical Pt- and FTO-free counter electrode for dye-sensitized solar cell

Counter electrode

Rs(Ω cm2)

Rct(Ω cm2)

ZW1(Ω cm2)

PEDOT:PSS/FTO

4.22

4.47

11.28

TiO2-PEDOT:PSS/PEDOT:PSS/glass

23.26

1.51

4.02

Pt/FTO

4.91

5.73

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