EFFECT OF RF VOLTAGE ON STRUCTURE OF A NANOPARTICLE CLOUD

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Presentation transcript:

EFFECT OF RF VOLTAGE ON STRUCTURE OF A NANOPARTICLE CLOUD Numerical model includes self-consistent modules for plasma, chemistry and aerosol for a capacitively-coupled RF argon-silane plasma. Nanoparticles are pushed towards lower electrode by gas flow, and towards both electrodes by ion drag. Increasing voltage increases ion drag, enabling particles to overcome neutral drag and push sufficiently large particles towards upper electrode.  RF voltage = 100 V  RF voltage = 250 V DOE Plasma Science Center Control of Plasma Kinetics HIGHLIGHT PLSC_1112 1