Figure 1.

SEM images of ZnO and ZnO-Ge nanostructures and SEM image and XRD pattern of ZnO-ZGO heterostructures. (a) Low-magnification SEM image of the ZnO nanostructures. (b) High-magnification SEM image of the ZnO-Ge nanostructures. (c) High-magnification SEM image of the ZnO-ZGO heterostructures. (d) XRD pattern of the ZnO-ZGO heterostructures.

Liang and Lin Nanoscale Research Letters 2014 9:344   doi:10.1186/1556-276X-9-344
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