Research Article

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

Figure 7

Emission spectra of YVO4:(5%) Eu3+ produced through hydrothermal treatment with different pH end values: (a) 13.0, (b) 12.0, (c) 11.0, and (d) 8.0 under the excitation of 310 nm at room temperature.