Figure 5.
(a) Adsorption–desorption equilibrium test results; (b) Degradation of rhodamine B (RhB) using different catalysts under visible light irradiation; (c) Linear fit of the photocatalytic reaction and the reaction rate constant k; (d) Photocatalytic degradation of RhB reusing photocatalyst sample 8 after filtration; (e) EDX and SEM (inset) of sample 8 after recycling five times; (f) XRD of sample 8 after recycling five times.