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. 2018 Feb 12;11(2):287. doi: 10.3390/ma11020287

Figure 3.

Figure 3

Figure 3

SEM images showing the effect of calcinations on ZnO particles in air for 3 h at (a) 550 °C; (b) 700 °C; or (c) 800 °C; (d) XRD patterns of the powders after calcination of the powders in air for 3 h; (e) Schematic illustration of the procedure for achieving surface texturing of a single-crystalline ZnO nanorod. Figure adapted from [38] with permission from copyright (2011), American Chemical Society (Washington, DC, USA).