Decomposition of solid amorphous hydrogen peroxide by ion irradiation

Mark J. Loeffler, Ben D. Teolis, Raul A. Baragiola

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

We present laboratory studies of the radiolysis of pure (97%) solid H2 O2 films by 50 keV H+ at 17 K. Using UV-visible and infrared reflectance spectroscopies, a quartz-crystal microbalance, and a mass spectrometer, we measured the absolute concentrations of the H2 O, O2, H2 O2, and O3 products as a function of irradiation fluence. Ozone was identified by both UV and infrared spectroscopies and O2 from its forbidden transition in the infrared at 1550 cm-1. From the measurements we derive radiation yields, which we find to be particularly high for the decomposition of hydrogen peroxide; this can be explained by the occurrence of a chemical chain reaction.

Original languageEnglish (US)
Article number104702
JournalJournal of Chemical Physics
Volume124
Issue number10
DOIs
StatePublished - 2006
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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