Figure 6

SEM image of (a) T-Ag/MnO2, (b) T-Ag/MnO2 with aluminum sol, (c) R-Ag/MnO2, (d) R-Ag/MnO2 with aluminum sol, (e,f) RCB-Ag/MnO2 with aluminum sol.
SEM image of (a) T-Ag/MnO2, (b) T-Ag/MnO2 with aluminum sol, (c) R-Ag/MnO2, (d) R-Ag/MnO2 with aluminum sol, (e,f) RCB-Ag/MnO2 with aluminum sol.