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Towards a quantitative study of the VUV photolysis of methane: preliminary experiment on trichloromethane

Published online by Cambridge University Press:  06 January 2010

T. Montmerle ,
D. Ehrenreich ,
A.-M. Lagrange ,
B. Gans ,
S. Boyé-Péronne ,
S. Douin  and
D. Gauyacq
B. Gans*
Affiliation:
Laboratoire de Photophysique Moléculaire, CNRS UPR 3361, Université Paris-Sud, Orsay, France
S. Boyé-Péronne
Affiliation:
Laboratoire de Photophysique Moléculaire, CNRS UPR 3361, Université Paris-Sud, Orsay, France
S. Douin
Affiliation:
Laboratoire de Photophysique Moléculaire, CNRS UPR 3361, Université Paris-Sud, Orsay, France
D. Gauyacq
Affiliation:
Laboratoire de Photophysique Moléculaire, CNRS UPR 3361, Université Paris-Sud, Orsay, France
*
berenger.gans@u-psud.fr
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Abstract

Photolysis of methane in Titan's stratosphere is the starting point of gas phase carbon chemistry. Quantitative studies of methane photolytic products are of utmost importance for Titan atmosphere models. With this aim, two experimental strategies are presented in this article. Preliminary results demonstrate the possibility of using CRDS absorption coupled with pulsed photolysis on the example of a halogenated derivative of methane: Trichloromethane (CHCl3).

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 41: Physics and Astrophysics of Planetary Systems , 2010 , pp. 455 - 458
Copyright
© EAS, EDP Sciences, 2010

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References

Luque, J., & Crosley, D.R., 1999, LIFBASE, Database and spectral simulation for diatomic molecules (v2.0) in S.I.R. MP-99-009 (Ed.)
Romanzin, C., Gans, B., Douin, S., Boyé-Péronne, S., & Gauyacq, D., 2008, Chem. Phys., doi: 10.1016/j.chemphys.2008.03.031