Nanoparticle Formation Using a Plasma Expansion Process

Abstract

We describe a process in which nanosize particles with a narrow size distribution are generated by expanding a thermal plasma carrying vapor-phase precursors through a nozzle. The plasma temperature and velocity profiles are characterized by enthalpy probe measurements, by calorimetric energy balances, and by a model of the nozzle flow. Aerosol samples are… (More)

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