Formation of Ceramic Oxide Nanoparticles in Low Pressure Flames: Experiment and Computersimulation

D. Lindackers; P. Roth

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Formation of Ceramic Oxide Nanoparticles in Low Pressure Flames: Experiment and Computersimulation

机译：低压火焰中陶瓷氧化物纳米颗粒的形成：实验和计算机模拟

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Low pressure premixed H_2/O_2/Ar flames were stabilised on a flat, water-cooled sintered bronze plate at pressures 27.5 mbar ≤p≤30 mbar and doped with small amount (100-400 ppm) of Al (CH_3)_3 or SiH_4 acting as Al- and Si-precursors, respectively. In the combustion process, the condensable oxidation products Al_2O_3 and SiO_2 were Formed and undergo phase transition by homogeneous nucleation. Coagulation of nuclei and particles driven by Brownian motion contribute to the further evolution of the particle size distribution.

机译：低压预混合H_2 / O_2 / Ar火焰在压力为27.5 mbar≤p≤30mbar的水冷烧结青铜板上稳定，并掺有少量（100-400 ppm）的Al（CH_3）_3或SiH_4分别为Al和Si前体。在燃烧过程中，形成可冷凝的氧化产物Al_2O_3和SiO_2，并通过均相成核作用进行相变。由布朗运动驱动的核和颗粒的凝结有助于粒径分布的进一步发展。

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《Berichte der Bunsengesellschaft fur Physikalische Chemie》 |1997年第11期|p.1718-1721|共4页
作者
D. Lindackers; P. Roth;
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原文格式 PDF
正文语种 eng
中图分类化学;
关键词
Flames; Nano-Particles; Particle Mass Spectrometer;

机译：火焰纳米颗粒;粒子质谱仪;

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Formation of Ceramic Oxide Nanoparticles in Low Pressure Flames: Experiment and Computersimulation

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