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. 2020 Oct 27;10:18401. doi: 10.1038/s41598-020-75003-x

Figure 7.

Figure 7

Recycling tests of 1% Bi2WO6–BiOCl for (a) OTC (C0 = 20 ppm), (b) phenol (C0 = 20 ppm) photocatalytic degradation under simulated sunlight irradiation, (c) XRD patterns and (d) SEM images of the fresh and used (20 h) 1% Bi2WO6–BiOCl for phenol degradation.