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Electron-Induced Chemistry in the Condensed Phase

Institute for Applied and Physical Chemistry, University of Bremen, Leobener Str.5, 28359 Bremen, Germany
Atoms 2019, 7(1), 33; https://doi.org/10.3390/atoms7010033
Received: 30 November 2018 / Revised: 28 February 2019 / Accepted: 1 March 2019 / Published: 4 March 2019
(This article belongs to the Special Issue SPIG2018)
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Abstract

Electron–molecule interactions have been studied for a long time. Most of these studies have in the past been limited to the gas phase. In the condensed-phase processes that have recently attracted attention from academia as well as industry, a theoretical understanding is mostly based on electron–molecule interaction data from these gas phase experiments. When transferring this knowledge to condensed-phase problems, where number densities are much higher and multi-body interactions are common, care must be taken to critically interpret data, in the light of this chemical environment. The paper presented here highlights three typical challenges, namely the shift of ionization energies, the difference in absolute cross-sections and branching ratios, and the occurrence of multi-body processes that can stabilize otherwise unstable intermediates. Examples from recent research in astrochemistry, where radiation driven chemistry is imminently important are used to illustrate these challenges. View Full-Text
Keywords: low-energy electrons; electron–molecule interactions; astrochemistry low-energy electrons; electron–molecule interactions; astrochemistry
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Bredehöft, J.H. Electron-Induced Chemistry in the Condensed Phase. Atoms 2019, 7, 33.

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