Titanium dioxide (TiO2) is proposed to be effective photocatalyst for wastewater treatment, air purification, and self‐cleaning ability, because of its strong oxidation and superhydrophilicity. In order to conquer the limits of TiO2, a variety of methods have been used. This paper presents a critical review of novel research and achievements in the modification of TiO2 nanoparticles with silver halide (AgX, X = Cl, Br, I), which aims at enhancing the visible light absorption and photosensitivity. Herein we study the synthesis, physical and chemical properties, and the mechanism of this composite photocatalyst.
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Wan et al. (2014) studied this question.
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