| Autor: |
Álvarez C; Laboratory of Molecular Fluid Dynamics, Instituto de Estructura de la Materia IEM-CSIC, C/Serrano 121, 28006 Madrid, Spain., Tejeda G; Laboratory of Molecular Fluid Dynamics, Instituto de Estructura de la Materia IEM-CSIC, C/Serrano 121, 28006 Madrid, Spain., Fernández JM; Laboratory of Molecular Fluid Dynamics, Instituto de Estructura de la Materia IEM-CSIC, C/Serrano 121, 28006 Madrid, Spain. |
| Jazyk: |
angličtina |
| Zdroj: |
Molecules (Basel, Switzerland) [Molecules] 2024 Oct 29; Vol. 29 (21). Date of Electronic Publication: 2024 Oct 29. |
| DOI: |
10.3390/molecules29215103 |
| Abstrakt: |
The Raman spectrum of CO 2 from room temperature to 1800 K has been measured in a series of experiments. The differential Raman scattering cross-sections for the fundamental bands at 1285.41 cm -1 and 1388.18 cm -1 have been obtained from reference bands of H 2 and N 2 as intensity standards. The Raman cross-sections of CO 2 hot bands, involving vibrational energy levels up to 5000 cm -1 , were derived from those of the fundamental bands. The Raman cross-sections obtained this way were reduced to transition moments of the mean molecular polarizability, which make it possible to simulate the Raman spectrum of CO 2 up to 2000 K. This paves the way for local or remote diagnostics of CO 2 in hot environments using Raman based techniques. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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