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. 2015 Sep 3;5:12914. doi: 10.1038/srep12914

Figure 5. IR spectra in the 3800-2600 cm−1 range of the ZnO:Y%Zn samples for Y = 0, 1, 2, 3, 5, 10, 15 and 20.

Figure 5

(a). Evolution of the intensity of OH bands vs. the S/V ratio (b). Transient photoluminescence spectra of ZnO-250, ZnO-20%Zn and ZnO-900 at 12 K (c) and at room temperature (d).