Energy and charge transfer in ionized argon coated water clusters

The Journal of Chemical Physics
J KočišekP Slavíček

Abstract

We investigate the electron ionization of clusters generated in mixed Ar-water expansions. The electron energy dependent ion yields reveal the neutral cluster composition and structure: water clusters fully covered with the Ar solvation shell are formed under certain expansion conditions. The argon atoms shield the embedded (H2O)n clusters resulting in the ionization threshold above ≈15 eV for all fragments. The argon atoms also mediate more complex reactions in the clusters: e.g., the charge transfer between Ar(+) and water occurs above the threshold; at higher electron energies above ~28 eV, an excitonic transfer process between Ar(+)* and water opens leading to new products Ar(n)H(+) and (H2O)(n)H(+). On the other hand, the excitonic transfer from the neutral Ar* state at lower energies is not observed although this resonant process was demonstrated previously in a photoionization experiment. Doubly charged fragments (H2O)(n)H2(2+) and (H2O)(n)(2+) ions are observed and Intermolecular Coulomb decay (ICD) processes are invoked to explain their thresholds. The Coulomb explosion of the doubly charged cluster formed within the ICD process is prevented by the stabilization effect of the argon solvent.

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Citations

Aug 26, 2014·The Journal of Chemical Physics·V PoteryaM Fárník
Jan 20, 2016·The Journal of Physical Chemistry. a·Peter RubovičMichal Farnik
Aug 13, 2015·The Journal of Physical Chemistry Letters·Daniela ŠmídováMichal Fárník
Mar 25, 2015·Journal of Mass Spectrometry : JMS·Jozef LengyelMichal Fárník
Jul 28, 2015·The Journal of Physical Chemistry. a·Andriy PysanenkoMichal Fárník
Mar 17, 2016·Annual Review of Physical Chemistry·Oleg KostkoMusahid Ahmed
Jun 4, 2016·The Journal of Physical Chemistry. a·Kateryna GrygoryevaMichal Fárník
Jan 19, 2017·The Journal of Physical Chemistry. a·Andriy PysanenkoMichal Fárník
Sep 9, 2015·Physical Chemistry Chemical Physics : PCCP·Viktoriya PoteryaMichal Fárník
Nov 28, 2017·Mass Spectrometry Reviews·Michal Fárník, Jozef Lengyel
Jan 22, 2019·Physical Chemistry Chemical Physics : PCCP·Kateryna GrygoryevaMichal Fárník
Jan 22, 2020·Physical Chemistry Chemical Physics : PCCP·Musahid Ahmed, Oleg Kostko
Jun 20, 2020·Physical Chemistry Chemical Physics : PCCP·Wenchao LuMusahid Ahmed
Jul 7, 2020·Physical Chemistry Chemical Physics : PCCP·Andriy PysanenkoMichal Fárník
Apr 24, 2018·The Journal of Chemical Physics·A PysanenkoM Fárník
Jul 10, 2017·The Journal of Chemical Physics·Mahmoud Abu-SamhaKnut J Børve
Nov 30, 2018·Physical Chemistry Chemical Physics : PCCP·Jan PoštulkaJaroslav Kočišek
Jun 10, 2014·The Journal of Physical Chemistry. a·Viktoriya PoteryaMichal Fárník
Jul 20, 2019·The Journal of Physical Chemistry. a·Andriy PysanenkoMichal Fárník
Oct 10, 2020·Chemical Reviews·Till JahnkeAndreas Dreuw
Oct 10, 2018·The Journal of Physical Chemistry. a·Michal FárníkPetr Slavíček
Sep 1, 2017·The Journal of Physical Chemistry. B·J PoštulkaJ Kočišek
Apr 3, 2020·The Journal of Physical Chemistry. a·Andriy PysanenkoPetr Slavicek

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