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首页> 外文会议>2013 Abstracts IEEE International Conference on Plasma Science >Modelling of SI nanoparticle synthesis by inductively coupled thermal plasma: Optimization of curtain gas injection in a conical reaction chamber
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Modelling of SI nanoparticle synthesis by inductively coupled thermal plasma: Optimization of curtain gas injection in a conical reaction chamber

机译：电感耦合热等离子体合成SI纳米颗粒的建模：锥形反应室中幕气注入的优化

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Increasing attention has been devoted to nanoparticle production technology in the last decades as a consequence of the increasing interest for nanoparticle properties, such as modified physical properties with respect to bulk materials and high area to volume ratio, that allow their successful use in biomedical, optical, energy and electronic applications. Inductively coupled thermal plasma technology, whose distinctive features are high energy density, high process purity, large plasma volume and long residence time, has proven to be a viable means for nanoparticle synthesis. Productivity, product quality control and affordability are the main challenges still to be solved for this technology. Over the last few years, many studies have been directed towards the optimization of the synthesis of nanoparticles by inductively coupled thermal plasma, intended for the production of nanoparticles of specific size and with a narrow PSD. Also, the use of conical reaction chamber geometry and of a curtain gas to protect the reaction chamber walls from nanoparticle deposition has been suggested to increase the yield of the process, defined as the ratio of nanoparticles mass flow rate at the outlet of the reaction chamber and precursor feed rate.
机译：在过去的几十年中，由于人们越来越关注纳米颗粒的性能，例如对散装材料的改性物理性能和高的体积/体积比，使得纳米颗粒的生产技术在生物医学，光学，生物医学，医学，生物医学，生物医学，生物医学，生物医学，生物医学，光学和生物医学等领域获得了成功的应用，因此人们对纳米颗粒的生产技术越来越关注。 ，能源和电子应用。电感耦合热等离子体技术的显着特征是高能量密度，高工艺纯度，大等离子体体积和长停留时间，已被证明是纳米颗粒合成的可行方法。生产率，产品质量控制和可负担性是该技术仍需解决的主要挑战。在过去的几年中，许多研究都针对通过感应耦合热等离子体的纳米颗粒合成的优化，该等离子体旨在生产特定尺寸和窄PSD的纳米颗粒。而且，已经建议使用圆锥形反应室几何形状和幕帘气体来保护反应室壁免于纳米颗粒沉积，以提高过程的产率，定义为反应室出口处纳米颗粒质量流速的比率。和前体的进料速度。

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