Chelated Nitrogen-Sulphur-Codoped TiO₂: Synthesis, Characterization, Mechanistic, and UV/Visible Photocatalytic Studies

Figure 6

XPS spectra of (NS)_0.06-T_FA and T_FA powders. (a) Survey spectrum, insert (showing peaks for N1s, C1s, and S2p), (b) high-resolution spectrum of Ti2p, (c) high-resolution spectrum of O1s, (d) high-resolution spectrum of N1s, and (e) high-resolution spectrum of S2p.

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(b)

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(e)