Figure 3.

SEM images of pure ZnO, pure Ag2O, and ZnO-Ag2O composite. (a) Low-magnification SEM image of pure ZnO, (b) high-magnification SEM image of pure ZnO, and (c, d) typical images of pure Ag2O and ZnO-Ag2O composite.

Xu et al. Nanoscale Research Letters 2013 8:536   doi:10.1186/1556-276X-8-536
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