Green Fabrication of Copper Nanoparticles Dispersed in Walnut Oil Using Laser Ablation Technique

Figure 1

Laser ablation setup to prepare Cu-NPs in the walnut oil. The setup contains a Nd:YAG pulsed laser at wavelength 1064 nm, a lens ( mm), a stirrer, an insulator liquid tank, and N₂ gas. The dimensions of copper plate and fluid cell were 10 × 10 × 3 mm and 20 × 20 × 40 mm, respectively. The copper plate was ablated at different times such as 5, 10, 20, 30, and 50 minutes.