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. 2012 Apr 5;13(4):4340–4350. doi: 10.3390/ijms13044340

Figure 2.

Figure 2

XRD patterns of ZnO nanoparticles: (a) standard XRD pattern and (b) sample XRD pattern. The results of nanoparticle size measurement of samples by XRD and SEM indicate that the size of the ZnO nanoparticles was about 30 nm.