Photoinduced processes of solid aromatic compounds by mid-IR free electron laser

Kensuke Tono, Hiroshi Kondoh, Yasuhiro Hamada, Takahiro Suzuki, Kotatsu Bito, Toshiaki Ohta, Shin Sato, Hiro O. Hamaguchi, Akira Iwata, Haruo Kuroda

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Effects of the irradiation of a mid-infrared (MIR) free electron laser on solid-state aromatic compounds were investigated for anthracene, tetracene, and perylene by time-of-flight mass spectroscopy, time-resolved optical emission spectroscopy, and X-ray absorption spectroscopy. The irradiation induced vaporization and chemical reactions on the sample surfaces, resulting in the formation of graphite-like species, which absorbed IR photons more efficiently than the intact molecules. Successive irradiation on the reformed surfaces induced plasma, which caused the molecular decomposition and ionization.

Original languageEnglish
Pages (from-to)7561-7567
Number of pages7
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume44
Issue number10
DOIs
Publication statusPublished - 2005 Oct 11
Externally publishedYes

Keywords

  • Anthracene
  • IR FEL
  • Perylene
  • Plasma formation
  • Tetracene

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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