JOURNAL ARTICLE

True blue: blue-emitting aluminum(III) quinolinolate complexes

César Pérez-Bolívar, Victor A Montes, Pavel Anzenbacher
Inorganic Chemistry 2006 November 27, 45 (24): 9610-2
17112247
Blue-emitting heteroleptic aluminum(III) bis(2-methyl-8-quinolinolate)phenolate complexes were synthesized. A tunable, blue-to-green emission is achieved by attaching electron-withdrawing modulators to the emisssive quinaldinate ligand. The electronic nature of modulator substituents attached to the position of the highest HOMO (highest occupied molecular orbital) density is used to modulate ligand HOMO levels to achieve effective emission tuning to obtain blue-emitting materials. Optical and electrochemical properties of the resulting complexes were investigated and compared to the results of density functional theory (DFT/B3LYP/6-31G*) studies. The resulting materials may find application as organic light-emitting device materials.

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