Afterglow techniques with spectroscopic detection for determining the rate coefficients and products of dissociative electron—ion recombination

Techniques are described for determining the rate coefficients and quantitatively identifying the products of dissociative electron—ion recombination. Emphasis is placed on afterglow techniques with which most of the measurements have been made. Product detection by VUV absorption, laser induced flu...

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Bibliographic Details
Published in:International Journal of Mass Spectrometry and Ion Processes 1994-03, Vol.132 (1), p.1-27
Main Author: Adams, Nigel G.
Format: Article
Language:English
Subjects:
Afterglows
Chemistry
Electron—ion recombination
Electrostatic probes
Exact sciences and technology
Inorganic chemistry and origins of life
Kinetics and mechanism of reactions
Spectroscopic detection
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Summary:Techniques are described for determining the rate coefficients and quantitatively identifying the products of dissociative electron—ion recombination. Emphasis is placed on afterglow techniques with which most of the measurements have been made. Product detection by VUV absorption, laser induced fluorescence and emission spectroscopy, which require calibration to determine absolute number densities of atoms and radicals, is described. Particular attention is paid to the factors that complicate the measurements and to how these complications are overcome. Experimental data are included to illustrate the various techniques and the most recent data on product identification are reviewed.
ISSN:0168-1176
1873-2801
DOI:10.1016/0168-1176(93)03917-B