Effect of Synthesis Temperature, Nucleation Time, and Postsynthesis Heat Treatment of ZnO Nanoparticles and Its Sensing Properties

Figure 1

SEM images of ZnO NPs synthesized at (a) 65^°C, (b) 70^°C, and (c) 75^°C. The results clearly suggest increase in particle size with synthesis temperature.

(a)

(b)

(c)