Table 2 Summary of physical and chemical properties of catalysts.
From: Surface modification of layered perovskite Sr2TiO4 for improved CO2 photoreduction with H2O to CH4
P-25 | Sr2TiO4 | H-Sr2TiO4 | E-Sr2TiO4 | ||
---|---|---|---|---|---|
Band gap (eV) | 3.16 | 3.33 | 3.34 | 3.03 | |
SBET (m2/g) | 43.65 | 1.19 | 0.78 | 358.54 | |
Zeta potential (mV) | Before-CO2 | −15.61 | −11.99 | −11.15 | −42.39 |
After-CO2 | 22.00 | 1.16 | 16.29 | 26.22 |