Figure 3. The degradation of MB concentration at different times of UV irradiation in the presence of and NPs catalysts. The lines are their respective best fitting with an exponential decay function

From

Sol-gel Preparation of Different Crystalline Phases of TiO2 Nanoparticles for Photocatalytic Degradation of Methylene Blue in Aqueous Solution

Siti Lailatul N. Zulmajdi, Nur Izzah I. Zamri, Abdul Hanif Mahadi, Mohd Yameany H. Rosli, Fairuzeta Ja’afar, Hartini M. Yasin, Eny Kusrini, Jonathan Hobley, Anwar Usman

American Journal of Nanomaterials. 2019, 7(1), 39-45 doi:10.12691/ajn-7-1-5