Nanoparticle production from HMDSO in atmospheric pressure argon-oxygen plasma
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Date
2018-05
Publication Type
Journal Article
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yes
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Abstract
A dielectric barrier discharge containing argon and oxygen is used to dissociate HMDSO with the purpose of producing silica‐like particles. Solid material is deposited in an electrostatic precipitator and analyzed with SEM, FTIR, and weight measurements. The variation of oxygen concentration shows an optimum for particle yield at an oxygen‐to‐monomer ratio of 20. Increasing yield and nanoparticle formation are also found with increasing excitation frequency and explained with the corresponding higher power input and nanoparticle survival rates from aerosol theory. Nanoparticles only form when residence time allows decomposition, nucleation, and growth.
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published
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15 (5)
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Publisher
Wiley
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Subject
atmospheric pressure filamentary discharge (APFD); ATR‐FTIR; HMDSO; nanostructures; SEM
Organisational unit
03348 - Rudolf von Rohr, Philipp (emeritus) / Rudolf von Rohr, Philipp (emeritus)