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

Figure 8.

Figure 8

Absorption spectra showing time evolution of the degradation of MB in aqueous based solution under UV irradiation in the presence of (a) ZnO, (b) ZnO-CuxO_1, (c) ZnO-CuxO_2, (d) ZnO-CuxO_3 nanowires (e) CuxO film and (f) degradation profiles of MB in aqueous based solution under UV irradiation over time for all samples.