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. 2019 Nov 21;9:17268. doi: 10.1038/s41598-019-53873-0

Figure 11.

Figure 11

The MB photocatalysis degradation mechanism under UV irradiation in the presence of (a) ZnO and (b) ZnO-CuxO_3 nanowires and the FESEM images of the samples (a’,b’) before and (a”,b”) after the photocatalysis experiment in each case, showing the (a’,a”) ZnO instability and (b’,b”) ZnO-CuxO_3 stability in aqueous based solutions.