Figure 4
From: Visible and UV photo-detection in ZnO nanostructured thin films via simple tuning of solution method

Emission scheme with PL spectra. (a) Schematic representation of emission scheme in the prepared samples of NPs, NSs and NFs nanostructures, (b) PL emission showing different peak position in violet region 386–398 nm, and common emission peaks in the visible region 420–568 nm in all samples.