Table 2. Model parameters of the photocatalysts based on EIS results.

Sample	Rct (Ω · cm-2)	Cdl × 108 (F · cm-2)	Zw × 104 (S0.5 · Ω-1 · cm-2)
S0	21.88 ± 1.13	1.43 ± 0.17	6.69 ± 0.67
S0.2	21.60 ± 0.98	2.02 ± 0.18	8.34 ± 0.81
S5	20.06 ± 0.89	2.10 ± 0.18	8.29 ± 0.75
S2	19.38 ± 0.91	2.11 ± 0.20	7.81 ± 0.71
S0.5	19.35 ± 1.01	2.30 ± 0.22	7.61 ± 0.74
S1	18.45 ± 1.00	2.59 ± 0.31	5.75 ± 0.49