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

Table 1

Textural properties of Bi-TiO₂/SBA-15(x).

Samples	Bi/Ti^a	BET area (m^2·g^−1)	𝑉^btot (cm^3·g^−1)	𝐷^c (nm)
SBA-15	0	590.3	0.961	7.224
Bi-TiO2/SBA-15(400)	2.01%	540.1	0.544	5.936
Bi-TiO2/SBA-15(550)	1.95%	527.7	0.518	5.882
Bi-TiO2/SBA-15(700)	1.89%	299.5	0.307	5.767
Bi-TiO2/SBA-15(850)	1.62%	182.7	0.221	4.061
TiO2/SBA-15(550)	0	568.3	0.924	6.818

aBi/Ti was measured by ICP, ^b𝑉_tot: the total pore volume, ^c𝐷: average pore diameter.