Table 1: Crystallite size, BET surface area, and bandgap energy of each catalyst.

Catalyst no.wt.% doping of Mg2+ in TiO2Calcination temp. (°C)Crystallite size (nm)BET surface area (m2/g) Bandgap energy (eV)

(1)0.7540015.0085.2092.90
(2)1.040012.11105.9872.85
(3)1.2540011.25107.2672.75
(4)1.5040013.26101.8202.95
(5)Undoped TiO240011.3079.3823.2
(6)Degussa P2569.9623.1