Table 2.

Structural data, and textural and optical parameters of Fe-doped TiO₂ nanoparticles.

TiO2 Nanoparticles	% Anatase	% Brookite	Crystallite Size of Anatase (nm)	Surface Area (m2 g−1)	Band Gap (eV)
0.00FeT	100	-	20.4	52	3.13
0.05FeT	98	2	12.9	65	3.06
0.10FeT	98	2	13.1	76	2.95
0.20FeT	97	3	11.5	n.a.	2.95
0.70FeT	96	4	12.6	n.a.	2.64
1.00FeT	92	8	12.5	59	2.61

* n.a. not available.