Multipeak Emissions and Electrical Properties of ZnO/Si Heterojunctions Based on ZnO Nanoflakes by Spin Coating Technique

Figure 1

(a) XRD patterns from ZnO nanoflakes, as-grown and annealed ZnO/Si heterojunctions. (b) TEM image of ZnO peeled off from annealed ZnO/Si heterojunctions. Inset: top view of annealed ZnO/Si heterojunctions. (c, d) HR-TEM images from the locations marked by asterisk and pentagram, respectively.

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