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High Temperature Material Processes (An International Quarterly of High-Technology Plasma Processes)

An International Journal

ISSN for PRINT: 1093-3611

Institutional price:	$604.00
Issues per year:	4

Best Paper Award Selection - Editorial Board Site

2007, Volume11

162 pages

DOI: 10.1615/HighTempMatProc.v11.i1

Issue price - $168.00

MODELING OF THE SYNTHESIS AND SUBSEQUENT GROWTH OF NANOPARTICLES IN DUSTY PLASMAS

Kathleen De Bleecker
PLASMANT, Department of Chemistry, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk-Antwerp, Belgium

Annemie Bogaerts
PLASMANT, Department of Chemistry, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk-Antwerp, Belgium

ABSTRACT

The initial mechanisms of dust formation in radiofrequency acetylene (C₂H₂) plasmas are investigated by means of a self-consistent 1D fluid model. Possible routes for particle growth are discussed and a comparison with particle formation in silane (SiH₄) discharges is made. The model considers a set of 39 species, including neutrals, radicals, ions and electrons, describing hydrocarbons (C_nH_m) containing up to 12 carbon atoms. Both successive anion/cation - molecule reactions seem to lead to a fast build up of the carbon skeleton.