Al/Al2O3 Nanoparticles Prepared by Pulsed Laser Ablation in Liquid

Abbas M. Ali Al-Kifaie, Ali Abid Abojassim


This research aims to study the optical properties of Al2O3 nanoparticles using pulsed laser beams. Pulsed laser ablation in liquid is cheap. We considered the optical properties of Al/Al2O3 nanoparticles obtained by pulsed laser ablation in liquid. An Nd:YAG RG190 laser with a wavelength of 1064 nm and focus energy of 950 mJ was used. The recurrence was 5 Hz, and the number of pulses was 300. The experiment was conducted at 25°C. A high-purity metallic plate was submerged in distilled water for the experiment. We found that the transmittance rises to 95%, which leads to a reduction in the absorbance and energy band gap. It can be concluded that pulsed laser ablation in liquid produces Al/Al2O3 nanoparticles with good optical properties.   


Keywords: pulsed laser ablation, colloidal nanoparticles, surface plasmon resonance, Fourier transform infrared spectroscopy, field-emission scanning electron microscopy.


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