Photolysis of adsorbed benzene at 248 nm

Photolysis of adsorbed benzene at 248 nm Journal of Photochemistry and Photobiology A: Chemistry 356 (2018) 298–303 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal home page : www.elsevier.com/locat e/jphotochem V.N. Varakin Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1 Bld. 3, Moscow 119991, Russia A R T I C L E I N F O A B S T R A C T Article history: Received 1 September 2017 Aromatics are widely detected in the interstellar media, although the origin of their photostability is not Received in revised form 27 December 2017 clear. Gaseous molecules should be decomposed by cosmic UV or VUV radiation and little is known about Accepted 27 December 2017 the photochemistry of adsorbed aromatics. In this study, the channels and mechanisms of KrF laser- Available online 28 December 2017 induced dissociation of benzene condensed on cooled fused silica have been studied using mass spectrometry. The release of H atoms (along with C H ), C H , and C H from the substrate surface 6 5 2 2 2 4 Keywords: indicates three dissociative pathways, including the last two as the aromatic ring opening. All these Adlayer photochemistry photoprocesses occurred to be controlled by http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Photochemistry and Photobiology A: Chemistry Elsevier

Photolysis of adsorbed benzene at 248 nm

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
1010-6030
eISSN
1873-2666
D.O.I.
10.1016/j.jphotochem.2017.12.045
Publisher site
See Article on Publisher Site

Abstract

Journal of Photochemistry and Photobiology A: Chemistry 356 (2018) 298–303 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal home page : www.elsevier.com/locat e/jphotochem V.N. Varakin Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1 Bld. 3, Moscow 119991, Russia A R T I C L E I N F O A B S T R A C T Article history: Received 1 September 2017 Aromatics are widely detected in the interstellar media, although the origin of their photostability is not Received in revised form 27 December 2017 clear. Gaseous molecules should be decomposed by cosmic UV or VUV radiation and little is known about Accepted 27 December 2017 the photochemistry of adsorbed aromatics. In this study, the channels and mechanisms of KrF laser- Available online 28 December 2017 induced dissociation of benzene condensed on cooled fused silica have been studied using mass spectrometry. The release of H atoms (along with C H ), C H , and C H from the substrate surface 6 5 2 2 2 4 Keywords: indicates three dissociative pathways, including the last two as the aromatic ring opening. All these Adlayer photochemistry photoprocesses occurred to be controlled by

Journal

Journal of Photochemistry and Photobiology A: ChemistryElsevier

Published: Apr 1, 2018

References

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