Functional group dependent dissociative electron attachment to simple organic molecules

The Journal of Chemical Physics
Vaibhav S PrabhudesaiE Krishnakumar

Abstract

Dissociative electron attachment (DEA) cross sections for simple organic molecules, namely, acetic acid, propanoic acid, methanol, ethanol, and n-propyl amine are measured in a crossed beam experiment. We find that the H(-) ion formation is the dominant channel of DEA for these molecules and takes place at relatively higher energies (>4 eV) through the core excited resonances. Comparison of the cross sections of the H(-) channel from these molecules with those from NH(3), H(2)O, and CH(4) shows the presence of functional group dependence in the DEA process. We analyze this new phenomenon in the context of the results reported on other organic molecules. This discovery of functional group dependence has important implications such as control in electron induced chemistry and understanding radiation induced damage in biological systems.

References

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Oct 26, 2005·Physical Review Letters·Vaibhav S PrabhudesaiE Krishnakumar
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Jul 7, 2007·Physical Chemistry Chemical Physics : PCCP·Bogdan C IbănescuMichael Allan

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Citations

Dec 3, 2009·Physical Chemistry Chemical Physics : PCCP·Bogdan C Ibănescu, Michael Allan
Jun 28, 2013·The Journal of Chemical Physics·F Kossoski, M H F Bettega
Apr 15, 2014·The Journal of Chemical Physics·Xinglan LuoLéon Sanche
Nov 5, 2014·The Journal of Chemical Physics·Vaibhav S PrabhudesaiE Krishnakumar
Jan 13, 2015·Annual Review of Physical Chemistry·Elahe AlizadehLéon Sanche
Apr 1, 2020·Physical Chemistry Chemical Physics : PCCP·Leticia S MaioliMárcio H F Bettega
Dec 12, 2018·The Journal of Physical Chemistry. a·Fabian SchmidtJan H Bredehöft

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Methods Mentioned

BETA
electron capture

Software Mentioned

DEA

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