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. 2024 Nov 3;19:11195–11212. doi: 10.2147/IJN.S486827

Figure 2.

Figure 2

XPS spectra showing full survey scan of GQDs, GQDs-Ag and ALN-GQDs-Ag (a), and high-resolution spectra of ALN-GQDs-Ag at C1s (b), N1s (c) and Ag3d (d). XPS spectrum of ALN-GQDs-Ag showed the peaks of C, N, O and Ag representing the presence of these elements in the graphene (a). High-resolution spectra showed the chemical bonds of C (b) and N (c) and the presence of metallic Ag (d).