Photoetching of Immobilized TiO₂-ENR₅₀-PVC Composite for Improved Photocatalytic Activity

Table 3

Microstructures of TiO₂ powder, nonetched TiO₂-ENR₅₀-PVC composite, and photoetched TiO₂-ENR₅₀-PVC composite.

Samples	BET surface	Total pore	Average pore
	area (m^2 g^−1)	volume (cm^3 g^−1)	diameter (nm)
TiO2 powder	10.17	0.0237	9.348
TiO2 composite	5.44	0.0161	11.846
Etched TiO2 composite	15.24	0.0244	6.418