Figure 4

(A,B) main peaks of Si 2p3/2, Si 2p1/2 and Ag 3d for the AgSiO/Ag2CO3-5:1 composite; (C,D) high-resolution XPS spectra of C 1 s and O 1 s of the pure AgSiO, Ag2CO3 and AgSiO/Ag2CO3-5:1 composite.

(A,B) main peaks of Si 2p3/2, Si 2p1/2 and Ag 3d for the AgSiO/Ag2CO3-5:1 composite; (C,D) high-resolution XPS spectra of C 1 s and O 1 s of the pure AgSiO, Ag2CO3 and AgSiO/Ag2CO3-5:1 composite.