Photocatalytic Degradation of Methylene Blue under UV Light Irradiation on Prepared Carbonaceous

Table 1

Texture properties of the TiO₂, TiO₂/PANi, TiO₂/C, and TiO₂/AC composites.

Physical properties	TiO2	TiO2/PANi	TiO2/C	TiO2/AC
Surface area (m^2/g)	8.55	53.73	134	178.57
Pore size (nm)	9.48	13.8	9.26	6.79
Micropore area (m^2/g)	3.34	8.22	29.33	76.62
Micropore volume (cm^3/g)	0.001	0.004	0.015	0.037
Crystallite size^a (nm) anatase	25	14	—	11
Crystallite size^a (nm) rutile	48	19	—	20
𝑓(𝐴)^b	0.135	0.061	0.087	0.092

aCalculated by applying Scherrer’s equation.
^bAnatase content calculated using (2).