Cheraghchi, Roghayeh, Rezvani Jalal, Masoud, Pishdast, Masoud, Abdikian, Alireza. (1400). Simulation of Nanoparticles Growth Synthesized from Laser Ablation in Liquid by Electrical Charging Mechanism with and without Inclusion of Ion Drift Motion. هنرهای کاربردی, 2(1), 15-19. doi: 10.22075/ppam.2022.25821.1019
Roghayeh Cheraghchi; Masoud Rezvani Jalal; Masoud Pishdast; Alireza Abdikian. "Simulation of Nanoparticles Growth Synthesized from Laser Ablation in Liquid by Electrical Charging Mechanism with and without Inclusion of Ion Drift Motion". هنرهای کاربردی, 2, 1, 1400, 15-19. doi: 10.22075/ppam.2022.25821.1019
Cheraghchi, Roghayeh, Rezvani Jalal, Masoud, Pishdast, Masoud, Abdikian, Alireza. (1400). 'Simulation of Nanoparticles Growth Synthesized from Laser Ablation in Liquid by Electrical Charging Mechanism with and without Inclusion of Ion Drift Motion', هنرهای کاربردی, 2(1), pp. 15-19. doi: 10.22075/ppam.2022.25821.1019
Cheraghchi, Roghayeh, Rezvani Jalal, Masoud, Pishdast, Masoud, Abdikian, Alireza. Simulation of Nanoparticles Growth Synthesized from Laser Ablation in Liquid by Electrical Charging Mechanism with and without Inclusion of Ion Drift Motion. هنرهای کاربردی, 1400; 2(1): 15-19. doi: 10.22075/ppam.2022.25821.1019

Simulation of Nanoparticles Growth Synthesized from Laser Ablation in Liquid by Electrical Charging Mechanism with and without Inclusion of Ion Drift Motion

Progress in Physics of Applied Materials
دوره 2، شماره 1 - شماره پیاپی 2، بهمن 2022، صفحه 15-19    اصل مقاله (1.22 M)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.22075/ppam.2022.25821.1019
نویسندگان
Roghayeh Cheraghchi1؛ Masoud Rezvani Jalal* 1؛ Masoud Pishdast2؛ Alireza Abdikian1
1Department of Physics and Photonics, Malayer University, Malayer
2Plasma and Nuclear Fusion Research School, Nuclear science and Technology Research Institute, Tehran
چکیده
In this paper, investigation and simulation of nanoparticles grown by laser ablation in a liquid (LAL) are studied. Firstly, the probable growth mechanisms including “hydrodynamic condensation” and “electrical charging” are introduced. Then, using the Orbital Motion Limited (OML) theory, governing differential equations of growth by electrical charging mechanism (without surface evaporation) are obtained in the absence of plasma drift motion. By numerical solving of the equations in the hot and high-density plasmas (typical of laser ablation in liquids), the growth of nanoparticles is simulated and the upper limit of its size is obtained. The results show that the size of nanoparticles, by electrical charging mechanism, cannot be more than 10 nm. In the continuation, a drift motion is added to the plasma ions up to 8 km/s which is typical of an expanding plasma in liquid phase ablation. Simulation results show that such a drift motion will cause the nano-particles to miss their spherical shapes and get a pine-like shape. It is concluded that if the growth of nano-particles really obeys the electrical charging mechanism then the shape of the obtained nano-particles in the plasma phase of the LAL should not be spherical but must be pine-like and rather larger.
کلیدواژه‌ها
Electrical charging؛ Growth mechanism؛ Ion drift motion؛ Laser ablation in a liquid (LAL)؛ Orbital Motion Limited (OLM)
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