Abstract
In this research, aluminum nanoparticles (AL NPs) were prepared using the Nd-YAG pulsed laser ablation method with a wavelength of 1064 nm with a frequency of 6 Hz and a fixed pulse of 250 pulses. A pure aluminum metal target was immersed in ethanol and aluminum nanoparticles removed using five different laser energies ranging from (400-800) mj and the effect of the laser energy difference on the optical properties of aluminum nanoparticles was studied. The optical properties were studied using UV spectroscopy for both the absorption and transmittance spectrum and according to the change of laser power, and a change in the absorption behavior was observed. The transmittance changes with wavelength and laser energy and the best pulsed laser energy is known to ablate these particles.
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