Research Article

Simple Methods to Synthesize YVO4 Nanocrystals or Microcrystals without Any Templates or Surfactants

Figure 6

TEM images of YVO4 nanocrystals produced through ultrasonic irradiation for 2 h at (a) pH = 2.5, (b) pH = 12.0, (c), pH = 6.0, and (d) pH = 9.0.