SIMULATION OF INTERSTELLAR AROMATIC-HYDROCARBONS USING ION-CYCLOTRON RESONANCE - PRELIMINARY-RESULTS

Citation
C. Joblin et al., SIMULATION OF INTERSTELLAR AROMATIC-HYDROCARBONS USING ION-CYCLOTRON RESONANCE - PRELIMINARY-RESULTS, Rapid communications in mass spectrometry, 11(14), 1997, pp. 1619-1623
Citations number
39
Categorie Soggetti
Spectroscopy,"Chemistry Analytical
ISSN journal
09514198
Volume
11
Issue
14
Year of publication
1997
Pages
1619 - 1623
Database
ISI
SICI code
0951-4198(1997)11:14<1619:SOIAUI>2.0.ZU;2-M
Abstract
Using laser microprobe and Fourier transform ion cyclotron resonance ( FTICR) mass spectrometry, we have produced and trapped aromatic specie s which might well be laboratory analogues of interstellar polycyclic aromatic hydrocarbons. These species are produced by laser ablation of a sample of pyrolysed coronene, They are large (up to two hundred car bon atoms) and can be highly dehydrogenated upon irradiation. More or less condensed forms have also been identified, Although still prelimi nary, these results open a new field of investigation: the study of th e photophysics and chemistry of these large reactive species in isolat ion conditions close to those found in interstellar space, This will b e the first objective of the PIRENEA experiment, a FTICRMS set-up devo ted to astrophysics. (C) 1997 by John Wiley & Sons, Ltd.