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IR SPECTROSCOPY OF METALLO-FULLERENES: POTENTIAL ASTRONOMICAL PRESENCE?
Bakker, Joost M.
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https://hdl.handle.net/2142/122421
Description
- Title
- IR SPECTROSCOPY OF METALLO-FULLERENES: POTENTIAL ASTRONOMICAL PRESENCE?
- Author(s)
- Bakker, Joost M.
- Contributor(s)
- Hou, Gao-Lei
- Decin, Leen
- Janssens, Ewald
- Lievens, Peter
- Lushchikova, Olga
- Issue Date
- 2023-06-21
- Keyword(s)
- Mini-symposium: Infrared Spectroscopy in the JWST Era
- Abstract
- Efforts over 40 years still leave the source of astronomical infrared emission bands largely unidentified. We report the first laboratory infrared (6–25 µm) spectra of gas-phase fullerene-metal complexes, [C₆₀-Metal]⁺ (Metal = Fe, V), and show with density functional theory calculations that complexes of C₆₀ with cosmically abundant metals, including Li, Na, K, Mg, Ca, Al, V, Fe, all have similar spectral patterns. Comparison with observational infrared spectra from several fullerene-rich planetary nebulae demonstrates a strong positive linear cross-correlation. The infrared features of [C₆₀-Metal]⁺ coincide with four bands attributed earlier to neutral C₆₀ bands, and in addition also with several to date unassigned bands.
- Publisher
- International Symposium on Molecular Spectroscopy
- Type of Resource
- Text
- Genre of Resource
- Conference Paper / Presentation
- Language
- eng
- Handle URL
- https://hdl.handle.net/2142/122421
- DOI
- https://doi.org/10.15278/isms.2023.6712
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