Boosting Power Conversion Efficiency of Quantum Dot-Sensitized Solar Cells by Integrating Concentrating Photovoltaic Concept with Double Photoanodes

Table 2 Fitted values of R_S, R_ct1, and R_ct2 of QDSSCs with different structures and morphologies from the Nyquist plots

Counter electrode	R_s (Ω)	R_ct1 (Ω cm²)	R_ct2 (Ω cm²)
Double-photoanode Cu₂S granular	18.65	5.990	20.81
Double-photoanode Cu₂S flake	22.63	8.088	21.42
Single-photoanode Cu₂S granular	35.62	3.522	15.36
Single-photoanode Cu₂S flake	36.47	6.753	25.03