EXPLORING NICKEL NANOPARTICLE SYNTHESIS THROUGH LASER ABLATION IN LIQUID
Abstract
Metallic nanoparticles are of considerable importance in various industrial domains due to their unique properties, including a high surface area-to-volume ratio and exceptional catalytic activity. These nanoparticles are widely utilized in fields such as catalysis, electronics, and biomedicine, where they significantly enhance efficiency and performance. This study reports the synthesis of nickel nanoparticles via laser ablation in liquid, employing a 99% pure nickel target, and their characterization using several analytical techniques, including Dynamic Light Scattering (DLS), Atomic Force Microscopy (AFM), Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray Spectroscopy (EDX) and TEM (Transmission electron microscopy). The resulting nanoparticles exhibited sizes ranging from 7 to 40 nm, possessing both anionic and cationic characteristics, along with a narrow size distribution and excellent stability. For the experiments, wavelengths of 1064, 532, and 355 nm were employed, with a pulse frequency of 10 Hz and an ablation duration of 20 minutes, corresponding to a total of 12,000 pulses. Ultrapure water and ultrapure water with various concentrations of NaCl were used as liquid suspensions.
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