Hydrogen atom formation from the photodissociation of water ice at 193 nm

Akihiro Yabushita, Yuichi Hashikawa, Atsushi Ikeda, Masahiro Kawasaki, Hiroto Tachikawa

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

The formation of hydrogen atoms from amorphous ice due to 193 nm photodissociation at 90-140 k is investigated. The time of flight spectra of the photofragment hydrogen atoms is also analyzed. It is observed that the spectra is made up of both a fast and a slow component that are characterized by average translational energies. The results show that the hydrogen molecules are formed due to the photodissociation of the ice surface that is attached by water molecules with the hydrogen bonds.

Original languageEnglish
Pages (from-to)5463-5468
Number of pages6
JournalJournal of Chemical Physics
Volume120
Issue number11
DOIs
Publication statusPublished - Mar 15 2004
Externally publishedYes

Fingerprint

Photodissociation
Ice
photodissociation
Hydrogen
hydrogen atoms
ice
Atoms
Water
water
molecules
Molecules
hydrogen bonds
Hydrogen bonds
hydrogen
energy

All Science Journal Classification (ASJC) codes

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

Cite this

Hydrogen atom formation from the photodissociation of water ice at 193 nm. / Yabushita, Akihiro; Hashikawa, Yuichi; Ikeda, Atsushi; Kawasaki, Masahiro; Tachikawa, Hiroto.

In: Journal of Chemical Physics, Vol. 120, No. 11, 15.03.2004, p. 5463-5468.

Research output: Contribution to journalArticle

Yabushita, A, Hashikawa, Y, Ikeda, A, Kawasaki, M & Tachikawa, H 2004, 'Hydrogen atom formation from the photodissociation of water ice at 193 nm', Journal of Chemical Physics, vol. 120, no. 11, pp. 5463-5468. https://doi.org/10.1063/1.1619939
Yabushita, Akihiro ; Hashikawa, Yuichi ; Ikeda, Atsushi ; Kawasaki, Masahiro ; Tachikawa, Hiroto. / Hydrogen atom formation from the photodissociation of water ice at 193 nm. In: Journal of Chemical Physics. 2004 ; Vol. 120, No. 11. pp. 5463-5468.
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