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Rate constants and branching ratios for the dissociative recombination of C3D7+ and C4D9+
Stockholm University, Faculty of Science, Department of Physics.
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2005 In: The journal of chemical physics, ISSN 0021-9606, Vol. 122, 156101- p.Article in journal (Refereed) Published
Place, publisher, year, edition, pages
2005. Vol. 122, 156101- p.
Identifiers
URN: urn:nbn:se:su:diva-22667OAI: oai:DiVA.org:su-22667DiVA: diva2:189240
Note
Part of urn:nbn:se:su:diva-1027Available from: 2006-05-05 Created: 2006-05-05Bibliographically approved
In thesis
1. Electron-Ion Recombination in Atmospheric and Laboratory Plasmas
Open this publication in new window or tab >>Electron-Ion Recombination in Atmospheric and Laboratory Plasmas
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

In this thesis, the measurements performed at CRYRING, Stockholm University, on the dissociative recombination of C2H+, C2H4+, C2D5+, C3H7+, C3D7+, C4D9+, Na+(D2O), CF+, CF2+ and CO2+ are presented. The dissociative recombination is the reaction in which a positive molecular ion captures an electron and stabilizes the capture by dissociation into neutral fragments. This reaction is of importance in many plasma environments, both naturally occurring, such as planetary atmospheres and interstellar clouds, and man-made, such as plasma enhanced reactors.

The results from this study show that the hydrocarbon ions have a large probability for breaking several hydrogen bonds as well as a carbon-carbon bond. In the DR reaction of Na+(D2O), the fracture of the cluster bond is by far the dominating pathway, and the single F detachment is shown to be the main dissociation channel for the fluorocarbon ions. The carbon dioxide cation, CO2+, dissociates exclusively into CO and O, which makes a difference in atmospheric models. The DR rate coefficient is also presented for the different ions. Besides a discussion of the results, this thesis also includes a presentation of the experimental technique and analyzing procedure.

Place, publisher, year, edition, pages
Stockholm: Fysikum, 2006. 93 p.
Identifiers
urn:nbn:se:su:diva-1027 (URN)91-7115-248-0 (ISBN)
Public defence
2006-06-02, sal FA32, AlbaNova universitetscentrum, Roslagstullsbacken 21, Stockholm, 10:00
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Available from: 2006-05-05 Created: 2006-05-05Bibliographically approved

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