Fig. 4
From: Nanoscale 3D spatial analysis of FTO/ZnO/Ag-x films subjected to photocatalytic activity
(a) optical transmittance spectra (b) absorbance spectra with repeatability test results, including standard deviations (c) extinction coefficient versus wavelength and (d) Tauc’s plots for the optical band gaps of FTO/ZnO and FTO/ZnO/Ag films (e) room temperature photoluminescence emission spectra of the films.
