Tris(8-hydroxyquinolinato)aluminium
From Infogalactic: the planetary knowledge core
Names | |
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IUPAC name
Tris(8-hydroxyquinolinato)aluminium
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Other names
8-Hydroxyquinoline aluminium salt, Alq3, aluminium 8-hydroxyquinolinate, aluminium oxinate,
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Identifiers | |
2085-33-8 | |
ChemSpider | 21106485 |
Jmol 3D model | Interactive image |
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Properties | |
C27H18AlN3O3 | |
Molar mass | 459.43 |
Appearance | Yellow powder |
Melting point | > 300 °C (572 °F; 573 K) |
insoluble in water | |
Vapor pressure | {{{value}}} |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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verify (what is ?) | |
Infobox references | |
Tris(8-hydroxyquinolinato)aluminium is the chemical compound with the formula Al(C9H6NO)3. Widely abbreviated Alq3, it is a coordination complex wherein aluminium is bonded in a bidentate manner to the conjugate base of three 8-hydroxyquinoline ligands.
Contents
Structure
Both the meridional and facial isomers are known as well as several polymorphs (different crystalline forms).[1]
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Synthesis
The compound is prepared by the reaction of 8-hydroxyquinoline with aluminium(III) sources[4]
- Al3+ + 3 C9H6NOH → Al(C9H6NO)3 + 3 H+
Applications
Alq3 is a common component of organic light-emitting diodes (OLED's). Variations in the substituents on the quinoline rings affect its luminescence properties.[5]
References
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