Figure 1From: Fabrication and sensing behavior of one-dimensional ZnO-Zn2GeO4 heterostructuresSEM 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.Back to article page