Fast Microwave-Assisted Synthesis and Photoluminescence of CaWO₄ Nanocrystals

Figure 3

TEM images of the as-prepared CaWO₄ samples synthesized at 120°C for different reaction times: (a) 5 min, (b) 10 min, and (c) 15 min. (d) A typical higher magnification TEM image of the obtained CaWO₄ crystals.

(a)

(b)

(c)

(d)