Figure 3
FE-SEM images from the surface of (a and b) unmodified papers. (c and b) papers modified with PDA/PEI (cationic papers) and (e and f) ZnO/Ag/GO@PDA/PEI papers. (g) Elemental EDS mapping of ZnO/Ag/GO@PDA/PEI papers.
Figure 3 | Scientific Reports
