Vibrational analysis of different crystalline phases of the organic electroluminescent material aluminium tris(quinoline-8-olate) (Alq3)
| Autor: | Michael Cölle, Wolfgang Brütting, Stefan Forero-Lenger, J. Gmeiner |
|---|---|
| Rok vydání: | 2003 |
| Předmět: |
Intermolecular force
Quinoline Analytical chemistry General Physics and Astronomy chemistry.chemical_element Infrared spectroscopy Zonal and meridional Crystallography chemistry.chemical_compound chemistry Aluminium Molecular vibration Molecule ddc:530 Physical and Theoretical Chemistry Spectroscopy |
| Zdroj: | Phys. Chem. Chem. Phys.. 5:2958-2963 |
| ISSN: | 1463-9084 1463-9076 |
| DOI: | 10.1039/b303689h |
| Popis: | The isomerism of the Alq3 molecule was investigated by applying infrared (IR) spectroscopy to two different crystalline phases of aluminium tris(quinoline-8-olate) (α-Alq3 and δ-Alq3). Significant differences between the two phases were found in the IR spectra, which can be explained in terms of the different symmetries of the facial and meridional isomer. Additionally, intermolecular interactions of the Alq3-molecules due to crystallinity were taken into account. The results suggest that α-Alq3 consists of the meridional isomer, while the recently discovered blue luminescent δ-phase is composed of the facial isomer of the Alq3 molecule. |
| Databáze: | OpenAIRE |
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