Flower-Like Mn-Doped CeO₂ Microstructures: Synthesis, Characterizations, and Catalytic Properties

Figure 6

XPS region spectra of (a) Ce 3d, (b) O 1s, and (c) Mn 2p for pure CeO₂ (i) and Mn-doped CeO₂ samples with different Mn contents: (ii) MCO-1, (iii) MCO-2, (iv) MCO-3, and (v) MCO-4.

(a)

(b)

(c)