The structure of the blue luminescent δ-phase of tris(8-hydroxyquinoline)aluminium(<scp>iii</scp>) (Alq<sub>3</sub>)
Michael CölleUniversität Bayreuth, Experimentalphysik II, Universitätsstr. 30, 95440 Bayreuth, Germany. [email protected]Robert E. DinnebierMax-Planck-Institute for Solid-State Research, Heisenbergstr. 1, Stuttgart, GermanyWolfgang BrüttingUniversität Bayreuth, Experimentalphysik II, Universitätsstr. 30, Bayreuth, Germany
2002en
ABI
Аннотация
The existence of the facial isomer in the delta-phase of Alq3 is proven by X-ray structural analysis, revealing that both the different molecular structure and the weaker overlap of the pi-orbitals of hydroxyquinoline ligands belonging to neighboring Alq3 molecules as compared to other phases (alpha, beta) are likely to be the origin of the significantly different optical properties of delta-Alq3.
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