Figure 1From: Photocurrent enhancement mechanisms in bilayer nanofilm-based ultraviolet photodetectors made from ZnO and ZnS spherical nanoshellsImages of the ZnO hollow-sphere nanofilm and typical TEM image of a ZnO hollow sphere. (a) Side view of the ZnO hollow-sphere nanofilm deposited on Si (100)/SiO2. (b) Front view of the ZnO hollow-sphere nanofilm deposited on Si (100)/SiO2. (c) Typical TEM image of the ZnO hollow-sphere nanofilm. (d) Typical TEM image of a ZnO hollow sphere.Back to article page