Chelating Ligand-Mediated Hydrothermal Synthesis of Samarium Orthovanadate with Decavanadate as Vanadium Source

Figure 4

SEM images of the SmVO₄ nanocrystals synthesized under pH = 9.7, with different reaction temperatures: (a) EDTA, 140°C; (b) EDTA, 160°C; (c) EDTA, 180°C.

(a)

(b)

(c)