Figure 1From: Characterisation of different polymorphs of tris(8-hydroxyquinolinato)aluminium(III) using solid-state NMR and DFT calculationsFThe fluorescence emission spectra of a thin film of the α -phase of Alq 3 (meridional), the δ -phase of Alq 3 (facial), and the solvated Alq 3 containing ethanol.Back to article page