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

Figure 4

SEM images of the Mn-doped CeO₂ samples with different Mn contents: (a) MCO-1, (b) MCO-2, (c) MCO-3, and (d) MCO-4 and (e) pure CeO₂.

(a)

(b)

(c)

(d)

(e)