Table 1 Electrochemical parameters obtained by the Tafel curves of Q235 CS, TiO2 in the dark, SnIn4S8/TiO2 in the dark, TiO2 under illumination, and SnIn4S8/TiO2 under illumination
Samples | Ecorr (V vs. SCE) | icorr (μA cm−2) |
---|---|---|
Q235 CS | − 0.554 | 1.658 |
TiO2dark | − 0.623 | 3.144 |
SnIn4S8/TiO2dark | − 0.646 | 5.313 |
TiO2illumination | − 0.751 | 18.94 |
SnIn4S8/TiO2illumination | − 1.011 | 63.10 |