Physics – Atomic Physics
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...393l..83s&link_type=abstract
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 393, no. 2, July 10, 1992, p. L83-L86.
Physics
Atomic Physics
39
Carbonaceous Materials, Cosmic Dust, Fluorescence, Interstellar Extinction, Quenching (Atomic Physics), Reflection Nebulae, Amorphous Materials, Emission Spectra, Planetary Nebulae
Scientific paper
The photoluminescence (fluorescence) of a film of the laboratory-synthesized quenched carbonaceous composite (filmy QCC) is shown to have a single broad emission feature with a peak wavelength that varies from 670 to 725 nm, and coincides with that of the extended red emission observed in reflection nebulae. The rapid decay of the filmy QCC red fluorescence in air and of the stable blue fluorescence of the filmy QCC dissolved in liquid Freon suggests that the red fluorescence originates from the interaction of active chemical species and aromatic components in the filmy QCC. A material similar in nature to that of the filmy QCC may be a major component of interstellar dust.
Asano Yoichi
Iijima Yutaka
Narisawa Takatoshi
Onaka Takashi
Sakata Akira
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