Ionothermal Synthesis of Metal Oxide-Based Nanocatalysts and Their Application towards the Oxidative Desulfurization of Dibenzothiophene

Figure 4

XRD spectra of manganese oxide nanoparticles obtained from (a) calcination and (b) chemical treatment. The identity of the Mn₂O₃ is still ambiguous as some of the characteristic peaks belonging to the spinal structure of Mn₂O₃ are missing from the spectrum.

(a)

(b)