Present situation in the identification of polycyclic aromatic hydrocarbons

Details Present situation in the identification of polycyclic aromatic hydrocarbons Present situation in the identification of polycyclic aromatic hydrocarbons

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993adspr..13..473l&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 13, no. 12, p. (12)473-(12)481

Astronomy and Astrophysics

Astronomy

1

Absorption Spectra, Emission Spectra, Infrared Astronomy, Interstellar Matter, Polycyclic Aromatic Hydrocarbons, Ultraviolet Radiation, Chemical Bonds, Interstellar Extinction, Milky Way Galaxy, Vibrational Spectra

Scientific paper

Recently, the interpretation given to the so-called 'unidentified' infrared emission bands has drastically improved. These bands are attributed to the fundamental vibrations of large molecules known in organic chemistry as Polycyclic Aromatic Hydrocarbons (PAH's). In this paper, we review the main arguments which led to this conclusion and focus our attention to some recent IR and UV spectroscopic studies which allow us to interpret further the main characteristics of astronomical spectra.

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