RAIRS Investigations on Films of the Ionic Liquid [EMIM]Tf2N

Autor(en): Hoefft, Oliver
Bahr, Stephan
Kempter, Volker
Stichwörter: ANIONS; Chemistry; Chemistry, Analytical; ELECTRON-SPECTROSCOPY; INFRARED-SPECTRA; MIES; RAMAN; SURFACE; TEMPERATURE; UPS; VIBRATIONAL-SPECTRA
Erscheinungsdatum: 2008
Herausgeber: JAPAN SOC ANALYTICAL CHEMISTRY
Journal: ANALYTICAL SCIENCES
Volumen: 24
Ausgabe: 10, SI
Startseite: 1273
Seitenende: 1277
Zusammenfassung: 
The reflection-absorption infrared (RAIRS) spectra of 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([EMIM]Tf2N) are presented for liquid as well as for amorphous and crystalline solid films. The liquid and amorphous films show rather similar spectra, indicating that the film structure is similar in both cases. On the other hand, these spectra differ considerably from those of crystalline films, indicating that the film structure is different for liquid and crystalline films. There are however indications that in all of the studied phases, including the crystalline state, the cation interaction with the SO2 groups of the anion dominates.
ISSN: 09106340
DOI: 10.2116/analsci.24.1273

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