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

Table 1

Effect of nucleation time on size and optical properties of ZnO NPs.

Nucleation time (min)	Particle size from AFM images (nm)	Crystallite size from (101) peak (nm)	Bandgap (eV)
0	41 ± 11	20	3.1
2	84 ± 21	24	3.1
8	135 ± 95	57	3.2