Simulation of Metal Nanoparticle Growth in Gas Phase Synthesis

What is it about?

The scale-up of the production of metallic nanoparticles can be done efficiently by means of gas-phase synthesis. We present a population balance simulation method which takes into account various process parameteres to calculate the final particle properties. Emphasis is put on the description of repeated evaporation and condensational growth of thermodynamically unstable particles. This paper shows how this mechanism can be implemented in a numerically efficient way.

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Why is it important?

In gas-phase synthesis a varying Kelvin-diameter, caused by temperature changes or fluctuations in local pressure leads to evaporation of changing parts of the particle population. This method aims to improve the accuracy of population balance simulations under these conditions.