Ion formation processes in laser ablation of multicomponent inorganic particles relevant to single particle laser analysis of atmospheric aerosols

Akihiro Yabushita, Takashi Kinugawa, Masahiro Narukawa, Kenshi Takahashi, Masahiro Kawasaki, Yutaka Matsumi

Research output: Contribution to journalArticle

Abstract

Nanosecond laser ablation and subsequent ion formation processes of submicron aerosol particles containing multicomponent ammonium and sodium salts relevant to atmospheric aerosols were studied using a laser-ionization single-particle aerosol mass spectrometer. In the case of ammonium salts, chemical species with a low ionization energy are predominately observed in the positive-ion mass spectra, while those having a high electron affinity are predominately observed in the negative-ion mass spectra. Dissociative electron attachment processes take place. However, as far as sodium salts are concerned, the energetically preferred ions are not necessarily dominant, and the ion formation processes are suggested to be more complex than the ammonium salts.

Original languageEnglish
Pages (from-to)446-448
Number of pages3
JournalChemistry Letters
Volume40
Issue number5
DOIs
Publication statusPublished - Apr 22 2011

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Atmospheric aerosols
Laser ablation
Particles (particulate matter)
Salts
Ammonium Compounds
Ions
Lasers
Aerosols
Sodium
Electron affinity
Ionization potential
Mass spectrometers
Ionization
Negative ions
Positive ions
Electrons

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Ion formation processes in laser ablation of multicomponent inorganic particles relevant to single particle laser analysis of atmospheric aerosols. / Yabushita, Akihiro; Kinugawa, Takashi; Narukawa, Masahiro; Takahashi, Kenshi; Kawasaki, Masahiro; Matsumi, Yutaka.

In: Chemistry Letters, Vol. 40, No. 5, 22.04.2011, p. 446-448.

Research output: Contribution to journalArticle

Yabushita, Akihiro ; Kinugawa, Takashi ; Narukawa, Masahiro ; Takahashi, Kenshi ; Kawasaki, Masahiro ; Matsumi, Yutaka. / Ion formation processes in laser ablation of multicomponent inorganic particles relevant to single particle laser analysis of atmospheric aerosols. In: Chemistry Letters. 2011 ; Vol. 40, No. 5. pp. 446-448.
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