Figure 3

(a,b) TEM of Ag@C templates. (c) TEM of Fe2O3 nanospheres. (d) HRTEM of Fe2O3 nanospheres. (e and f) TEM of Ag-Fe2O3 composites. (g and h) HRTEM of Ag-Fe2O3 composites. (i–l) Phase mapping of Ag Lα1, Fe Lα1 and O Lα1.

(a,b) TEM of Ag@C templates. (c) TEM of Fe2O3 nanospheres. (d) HRTEM of Fe2O3 nanospheres. (e and f) TEM of Ag-Fe2O3 composites. (g and h) HRTEM of Ag-Fe2O3 composites. (i–l) Phase mapping of Ag Lα1, Fe Lα1 and O Lα1.