Emission Color Tuning in AlQ3 Complexes with Extended Conjugated Chromophores
- 16 July 2003
- journal article
- letter
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 5 (16) , 2769-2772
- https://doi.org/10.1021/ol034693a
Abstract
A new method for the synthesis of 5-arylethynyl-8-hydroxyquinoline ligands using Sonogashira−Hagihara coupling was developed. The electronic nature of arylethynyl substituents affects the emission color and quantum yield of the resulting Al(III) complex. Photophysical properties of the metallocomplexes correspond to the electron-withdrawing/-donating character of the arylethynyl substituents. Optical properties of such Al(III) complexes correlate with the Hammett constant values of the respective substituents. This strategy offers a powerful tool for the preparation of electroluminophores with predictable photophysical properties.Keywords
This publication has 11 references indexed in Scilit:
- Asymmetric Synthesis of a New 8-Hydroxyquinoline-Derived α-Amino Acid and Its Incorporation in a Peptidylsensor for Divalent ZincThe Journal of Organic Chemistry, 2001
- An ethylene-linked catechol/8-hydroxyquinoline derivative and its dinuclear gallium(III) complexNew Journal of Chemistry, 2000
- An Improved Procedure for the Large Scale Preparation of 2-Chloro-4,6-dimethoxy-1,3,5-triazineSynthetic Communications, 1996
- Relationship between electroluminescence and current transport in organic heterojunction light-emitting devicesJournal of Applied Physics, 1996
- Substituted Aluminum and Zinc Quinolates with Blue-Shifted Absorbance/Luminescence Bands: Synthesis and Spectroscopic, Photoluminescence, and Electroluminescence CharacterizationChemistry of Materials, 1996
- Plasma-Assisted Epitaxial Growth of P-Type ZnSe in Nitrogen-Based PlasmaJapanese Journal of Applied Physics, 1993
- Phosphorescent 8-quinolinol metal chelates. Excited-state properties and redox behaviorInorganic Chemistry, 1986
- Photochemistry of MLCT excited states. Effect of nonchromophoric ligand variations on photophysical properties in the series cis-Ru(bpy)2L22+Inorganic Chemistry, 1983
- A convenient synthesis of acetylenes: catalytic substitutions of acetylenic hydrogen with bromoalkenes, iodoarenes and bromopyridinesTetrahedron Letters, 1975
- The Monohalogenation of 8-QuinolinolsThe Journal of Organic Chemistry, 1965