Effect of Different Calcination Temperatures on the Structural and Photocatalytic Performance of Bi-TiO₂/SBA-15

Table 2

The rate constant of Bi-TiO₂/SBA-15(x) for RhB photodegradation.

Samples	𝑘app (min^−1)
Bi-TiO2/SBA-15(400)	0.0135
Bi-TiO2/SBA-15(550)	0.0212
Bi-TiO2/SBA-15(700)	0.0162
Bi-TiO2/SBA-15(850)	0.0206
Bi2O3/SBA-15	0.00818
TiO2/SBA-15(550)	0.00553
Bi2O3	0.00755
TiO2	0.00540