Figure 1.

SEM images, XRD patterns, and UV–vis absorption spectra of ZnO, ZnO-H, and ZnO-A. SEM images of (a) ZnO, (b) ZnO-H, and (c) ZnO-A. XRD patterns (d) and UV–vis absorption spectra (e) of ZnO, ZnO-H, and ZnO-A.

Lin et al. Nanoscale Research Letters 2013 8:325   doi:10.1186/1556-276X-8-325
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