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