Gas-phase synthesized nanoparticles are broadly used in industry, science and measurement technology. Today flame synthesis and hot-wall synthesis are the most widely used methods for industrial production with an annual volume of several million tons. Remarkable is, that the morphology of the synthesized particles does not vary significantly. Most of them are aggregates with a fractal dimension of 1.8 - 1.9 and a geometric standard deviation of the size distribution in the range of 1.5 - 1.7. Former studies indicate that a homogeneous flow field and high heating and quenching rates are of major importance to achieve narrow size distribution and low aggregation. [1]
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Grzona, A. et al. (2009). Gas-phase synthesis of non-agglomerated nanoparticles by fast gasdynamic heating and cooling. In: Hannemann, K., Seiler, F. (eds) Shock Waves. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85181-3_10
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DOI: https://doi.org/10.1007/978-3-540-85181-3_10
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