Figure 4From: Hydrogen treatment-improved uniform deposition of Ag nanoparticles on ZnO nanorod arrays and their visible-light photocatalytic and surface-enhanced Raman scattering propertiesPhotocatalytic degradation of R6G in the visible light region by ZnO-H@Ag with different Ag contents. Initial R6G concentration at 10−5 M; temperature of 25°C.Back to article page