Fig. 3

SEM images of the 7 g SL synthesized ZnO with conditions of (a) calcination and ethanol, (b) non-calcination and ethanol, and (c) calcination and no addition of ethanol
SEM images of the 7 g SL synthesized ZnO with conditions of (a) calcination and ethanol, (b) non-calcination and ethanol, and (c) calcination and no addition of ethanol