Title
Detailed modeling of hydrocarbon nanoparticle nucleation in acetylene discharges Detailed modeling of hydrocarbon nanoparticle nucleation in acetylene discharges
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Lancaster, Pa ,
Source (journal)
Physical review : E : statistical physics, plasmas, fluids, and related interdisciplinary topics. - Lancaster, Pa, 1993 - 2000
Volume/pages
73(2006) :2 , p. 026405,1-16
ISSN
1063-651X
1095-3787
ISI
000235667700086
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The initial stage of nanoparticle formation and growth in radiofrequency acetylene (C2H2) plasmas is investigated by means of a self-consistent one-dimensional fluid model. A detailed chemical kinetic scheme, containing electron impact, ion-neutral, and neutral-neutral reactions, has been developed in order to predict the underlying dust growth mechanisms and the most important dust precursors. The model considers 41 different species (neutrals, radicals, ions, and electrons) describing hydrocarbons (CnHm) containing up to 12 carbon atoms. Possible routes for particle growth are discussed. Both positive and negative ion reaction pathways are considered, as consecutive anion- and cation-molecule reactions seem to lead to a fast build up of the carbon skeleton.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/125a51/8120.pdf
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