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. 2022 Jan 18;12(4):2473–2484. doi: 10.1039/d1ra08459c

Correlation coefficient for the kinetic equations of phenol photodegradation.

Photocatalyst Phenol photodegradation
Zero-order First-order
UV light 0.96 0.97
TiO2 NPs/BMI·BF4 IL 0.97 0.98
1% Fe3+-doped TiO2 NPs/BMI·BF4 IL 0.77 0.91
1% Cu2+-doped TiO2 NPs/BMI·BF4 IL 0.93 0.85