Figure 8

SERS spectra of R6G on ZnO-H@Ag obtained by repeating the Ag nanoparticles deposition for different times. R6G concentration at 10−9 M.
SERS spectra of R6G on ZnO-H@Ag obtained by repeating the Ag nanoparticles deposition for different times. R6G concentration at 10−9 M.