Single photon infrared emission spectroscopy of the gas phase pyrene cation: Support for a polycyclic aromatic hydrocarbon origin of the unidentified infrared emission bands

H. S. Kim; D. R. Wagner; R. J. Saykally

doi:10.1103/PhysRevLett.86.5691

Single photon infrared emission spectroscopy of the gas phase pyrene cation: Support for a polycyclic aromatic hydrocarbon origin of the unidentified infrared emission bands

H. S. Kim, D. R. Wagner, R. J. Saykally

CCSS - Center for Catalysis and Surface Science

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Abstract

The infrared emissions from a gaseous ionic polycyclic aromatic hydrocarbon (PAH) over the ubiquitous interstellar unidentified infrared emission band (UIR) range were analyzed. The pyrene cation infrared emissions with relative intensities consistent with astrophysical observations were observed. The measured spectrum of the pyrene cation agrees with the major UIR feature intensities thus providing support for the PAH hypothesis.

Original language	English (US)
Pages (from-to)	5691-5694
Number of pages	4
Journal	Physical review letters
Volume	86
Issue number	25
DOIs	https://doi.org/10.1103/PhysRevLett.86.5691
State	Published - Jun 18 2001

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General Physics and Astronomy

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10.1103/PhysRevLett.86.5691

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title = "Single photon infrared emission spectroscopy of the gas phase pyrene cation: Support for a polycyclic aromatic hydrocarbon origin of the unidentified infrared emission bands",

abstract = "The infrared emissions from a gaseous ionic polycyclic aromatic hydrocarbon (PAH) over the ubiquitous interstellar unidentified infrared emission band (UIR) range were analyzed. The pyrene cation infrared emissions with relative intensities consistent with astrophysical observations were observed. The measured spectrum of the pyrene cation agrees with the major UIR feature intensities thus providing support for the PAH hypothesis.",

author = "Kim, {H. S.} and Wagner, {D. R.} and Saykally, {R. J.}",

year = "2001",

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AB - The infrared emissions from a gaseous ionic polycyclic aromatic hydrocarbon (PAH) over the ubiquitous interstellar unidentified infrared emission band (UIR) range were analyzed. The pyrene cation infrared emissions with relative intensities consistent with astrophysical observations were observed. The measured spectrum of the pyrene cation agrees with the major UIR feature intensities thus providing support for the PAH hypothesis.

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Single photon infrared emission spectroscopy of the gas phase pyrene cation: Support for a polycyclic aromatic hydrocarbon origin of the unidentified infrared emission bands

Abstract

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