Table 4.

Photocatalytic degradation of atrazine by catalysts.

Photocatalyst	Preparation Method	Removal Effect
Ordered mesoporous graphene–TiO2/SiO2 composite material	Used a direct sol–gel co-condensation method	The degradation efficiency of atrazine by the composite reached 93.1% after 180 minutes of xenon lamp irradiation [75].
N, F-codoped TiO2 nanowires	Synthesized by hydrothermal method using isopropanol as a protective capping agent	The material could effectively degrade atrazine, and the removal rate exceeded 60% after 6.0 h of visible light irradiation [76].
Fe3+-TiO2	Prepared by a cell gel method	After exposure to UV for 2.0 h, the degradation efficiency of the catalyst to atrazine was as high as 99.5% [77].
N-TiO2	A modified sol-gel method was employed to prepare the material	The removal rate of atrazine by the material reached 79% after 2.0 h of visible light irradiation [78].
H3PW12O40/Ag-TiO2	Preparation of the nanocomposite by single-step sol-gel-hydrothermal method	Under the xenon lamp, the degradation rate of atrazine by the nanocomposite was 2.4 times faster than TiO2 alone, and the degradation reaction followed the pseudo-first reaction kinetics [79].