Fig. 12: CO2 laser assisted synthesis of ZnO nanostructures.

a, b Schematic illustration of the synthesis (laser-induced decomposition) and reaction zone of various ZnO nanostructures, c, d SEM images of ZnO nanowires after laser irradiation with a pulse energy of 20 W for 5 s, and e, f SEM images ZnO nanonails after laser irradiation with a pulse energy of 20 W for 2 s92. Copyright (2021) American Chemical Society