Figure 2From: Hydrogen treatment-improved uniform deposition of Ag nanoparticles on ZnO nanorod arrays and their visible-light photocatalytic and surface-enhanced Raman scattering propertiesSEM images, XRD patterns, and UV–vis absorption spectra of ZnO@Ag, ZnO-H@Ag, and ZnO-A@Ag. SEM images of ( a ) ZnO@Ag, ( b ) ZnO-H@Ag, and ( c ) ZnO-A@Ag. XRD patterns ( d ) and UV–vis absorption spectra ( e ) of ZnO@Ag, ZnO-H@Ag, and ZnO-A@Ag.Back to article page