Red−Green−Blue Emission from Tris(5-aryl-8-quinolinolate)Al(III) Complexes

A simple yet effective strategy for synthesis of 5-aryl-8-quinolinolate-based electroluminophores with tunable emission wavelengths is presented. Two different pathways for the attachment of electron-donating or electron-withdrawing aryl groups to the 5-position of the quinolinolate ligand via Suzuk...

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Bibliographic Details
Published in:Journal of organic chemistry 2004-03, Vol.69 (5), p.1723-1725
Main Authors: Pohl, Radek, Montes, Victor A, Shinar, Joseph, Anzenbacher, Pavel
Format: Article
Language:English
Subjects:
Chemistry
Coordination compounds
Exact sciences and technology
Inorganic chemistry and origins of life
Preparations and properties
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Summary:A simple yet effective strategy for synthesis of 5-aryl-8-quinolinolate-based electroluminophores with tunable emission wavelengths is presented. Two different pathways for the attachment of electron-donating or electron-withdrawing aryl groups to the 5-position of the quinolinolate ligand via Suzuki coupling were developed. A successful tuning in the emission color was achieved:  the emission wavelength was found to correlate with the Hammett constant of the respective substituents, providing a powerful strategy for prediction of the optical properties of new electroluminophores.
ISSN:0022-3263
1520-6904
DOI:10.1021/jo035602q