Effect of Fe Doping on Photocatalytic Dye-Degradation and Antibacterial Activity of SnO₂ Nanoparticles

Figure 4

SEM micrographs of (a) pure, (b) 0.01 M, (c) 0.03 M, and (d) 0.05 M Fe-SnO₂ NPs and EDS spectra of pure and 0.05 M Fe-SnO₂ NPs.