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Merck

697737

Tris-(8-hydroxyquinoline)aluminum

sublimed grade, 99.995% trace metals basis

Synonym(s):

8-Hydroxyquinoline aluminum salt, Alq3, Aluminum 8-hydroxyquinolinate, Aluminum oxinate, Tris-(8-hydroxyquinolinato)aluminum

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About This Item

Empirical Formula (Hill Notation):
C27H18AlN3O3
CAS Number:
2085-33-8
Molecular Weight:
459.43
NACRES:
NA.23
PubChem Substance ID:
329761948
UNSPSC Code:
12352103
EC Number:
218-227-0
MDL number:
MFCD00191693

Key Documents

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InChI key

TVIVIEFSHFOWTE-UHFFFAOYSA-K

InChI

1S/3C9H7NO.Al/c3*11-8-5-1-3-7-4-2-6-10-9(7)8;/h3*1-6,11H;/q;;;+3/p-3

SMILES string

O([Al](Oc1cccc2cccnc12)Oc3cccc4cccnc34)c5cccc6cccnc56

grade

sublimed grade

description

Electron Transport Layer, Emissive Layer

assay

99.995% trace metals basis

form

solid

loss

0.5 wt. % loss on heating, 332°C (typical, TGA)

mp

>300 °C (lit.), 411 °C (DSC)

λmax

259 nm

fluorescence

λex 390 nm; λem 519 nm

orbital energy

HOMO 5.8 eV , LUMO 3.1 eV 

Quality Level

100

OLED device performance

ITO/MoO3/NPD/Alq3/BPhen/LiF/Al

  • Color: green
  • Max. Luminance: 20000 Cd/m2
  • Max. EQE: 1.2 %
  • Turn-On Voltage: 2.8 V
, ITO/NPD/CBP:Ir(ppy)3/BCP/Alq3/Mg:Al
  • Color: green
  • Max. Luminance: 100000 Cd/m2
  • Max. EQE: 8 %
  • Turn-On Voltage: 4.3 V
, ITO/NPD/TCTA/BCPO:Ir(piq)3 (7-8%)/BCP/Alq3/LiF/Al
  • Color: red
  • Max. Luminance: 24529 Cd/m2
  • Max. EQE: 17 %
  • Turn-On Voltage: 2.7 V
, ITO/NPD/TCTA/BCPO:Ir(ppy)3 (7-8%)/BCP/Alq3/LiF/Al
  • Color: green
  • Max. Luminance: 207839 Cd/m2
  • Max. EQE: 21.6 %
  • Turn-On Voltage: 2.1 V
, ITO/m-MTDATA/NPD/TTPhPhB/Alq3/LiF/Al
  • Color: blue
  • Max. Luminance: 9100 Cd/m2
  • Max. EQE: 2.5 %
  • Turn-On Voltage: 3.2 V

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General description

Tris(8-hydroxyquinoline)aluminum(III)(Alq3) is a key green-light emitting and electron transport material for OLEDs. A study reports the new crystalline phase d besides its, originally known, three other crystalline phases, α,β,γ. It exhibits excellent chemical stability and high luminescence efficiencies.

Application

Key green-light emitting and electron transport material for OLEDs.
Thin films of tris(8-hydroxyquinoline) aluminum (Alq3) can be used for organic electroluminescent devices.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

697737-1G: + 697737-BULK: + 697737-VAR: + 697737-5G:

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Certificates of Analysis (COA)

Lot/Batch Number
0000314442
0000239518
0000314442
0000239518
0000047120

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Molecular Orbital Study of the First Excited State of the OLED Material Tris(8-hydroxyquinoline)aluminum(III)
Halls MD and Schlegel HB
Chemistry of Materials, 2632-2640 null
Preparation and characterization of blue luminescent tris (8-hydroxyquinoline ) alumunium (Alq3)
Colle M, et al.
Advances in Functional Materials null
Electronic structure of tris (8-hydroxyquinoline) aluminum thin films in the pristine and reduced states.
Johansson J, et al.
J. Chem. Phys. , 1 null
Molecular Orbital Study of the First Excited State of the OLED Material Tris(8-hydroxyquinoline)aluminum(III)
Halls MD and Schlegel HB
Chemistry of Materials null
Preparation and characterization of blue luminescent tris (8-hydroxyquinoline ) alumunium (Alq3)
Colle M, et al.
Advances in Functional Materials null
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