Abstract

A fast and easy method for preparing pure and stable nano-sized TiO 2 anatase phase, using mild hydrothermal conditions, is presented. The precursor is obtained via precipitation route using TiCl 3 as starting material. All samples synthesized are characterized by XRD, TEM and low temperature N 2 adsorption measurements. The photocatalytic behaviour of the prepared pure TiO 2 anatase samples was studied regarding the degradation of diquat aqueous solutions. The prepared materials showed a higher photocatalytic activity when compared with the performance of commercial TiO 2.

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