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  • 697737 - Tris-(8-hydroxyquinoline)aluminum


697737 Aldrich


sublimed grade, 99.995% trace metals basis

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



Related Categories Electron Transport and Hole Blocking Materials, Fluorescent Host Materials, Host Materials, Light Emitters and Dopants, Materials Science,
grade   sublimed grade
assay   99.995% trace metals basis
loss   0.5 wt. % loss on heating, 332°C (typical, TGA)
mp   >300 °C(lit.)
  411 °C (DSC)
absorption   λmax 259 nm
fluorescence   λex 390 nm; λem 519 nm
Orbital energy   HOMO 5.8 eV 
  LUMO 3.1 eV 
OLED Device Performance   ITO/MoO3/NPD/Alq3/BPhen/LiF/Al1
• Color: green
• Max. Luminance: 20000 Cd/m2
• Max. EQE: 1.2 %
• Turn-On Voltage: 2.8 V
• 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/Al3
• 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/Al3
• Color: green
• Max. Luminance: 207839 Cd/m2
• Max. EQE: 21.6 %
• Turn-On Voltage: 2.1 V
• Color: blue
• Max. Luminance: 9100 Cd/m2
• Max. EQE: 2.5 %
• Turn-On Voltage: 3.2 V



Key green-light emitting and electron transport material for OLEDs.

Sublimed grade for organic electronic device applications.

General description

TGA/DSC Lot specific traces available upon request


1, 5 g in glass bottle

Price and Availability


Safety & Documentation

Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
WGK Germany 

Protocols & Articles


AIE Luminogens: A Family of New Materials with Multifaceted Functionalities

a HKUST Shenzhen Research Institute, No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan, Shenzhen 518057, China
Engui Zhaoa,b and Ben Zhong Tang*,a,b,c

Keywords: Apoptosis, Biological processes, Cancer, Capillary electrophoresis, Crystallization, Diagnostic, Diseases, Electronics, Electrophoresis, Eliminations, Esterifications, Evaporation, Gel electrophoresis, Gene expression, High performance liquid chromatography, Microscopy, Neuroscience, Nucleic acid denaturation, Optical microscopy, Protein assay, Separation, Solvation, Thin layer chromatography, Williamson ether synthesis

Materials Design Concepts for Efficient Blue OLEDs:
A Joint Theoretical and Experimental Study

Since their discovery,1 organic light emitting devices (OLEDs) have evolved from a scientific curiosity into a technology with applications in flat panel displays and the potential to revolutionize t...
Evgueni Polikarpov, Asanga B. Padmaperuma
Keywords: Applications, Building blocks, Help, Materials Science, Methods, Purification, Reductions, Search, Support, Tools, Type

Polymer-based Materials for Printed Electronics: Enabling High Efficiency Solar Power and Lighting

The soaring global demand for energy has created an urgent need for new energy sources that are both cost-competitive and eco-friendly. Renewable energy technology, such as solar power and energy eff...
Ritesh Tipnis*, Darin Laird, Mathew Mathai
Material Matters 2008, 3.4, 92.
Keywords: Absorption, Applications, Degradations, Deposition, Electronics, Environmental, Help, Infrared spectroscopy, Organic electronics, PAGE, Photovoltaics, Polymerization reactions, Printed electronics, Recombination, Reductions, Renewable energy, Semiconductor, Separation, Solar cells, Spin coating, Support, Type

Silylethyne-Substituted Pentacenes

Research into the use of organic semiconductors in field-effect transistors (FETs) began in earnest in the mid-1990s,1 after early exciting results from vapor-deposited small molecule semiconductors....
John E. Anthony*
Material Matters 2009, 4.3, 58.
Keywords: Applications, Capabilities, Crystallization, Deposition, Electronics, Electrophoretic display, Evaporation, Organic electronics, Semiconductor, Separation, Solar cells, Substitutions

Peer-Reviewed Papers


Set your institution to view full text papers.

1. Indium-tin-oxide-free tris(8-hydroxyquinoline) Al organic light-emitting diodes with 80% enhanced power efficiency Cai, M.; et al. Appl. Phys. Lett. 99, 153303, (2011)

2. Very high-efficiency green organic light-emitting devices based on electrophosphorescence Forrest, S. R.; et al. Appl. Phys. Lett. 75, 4, (1999)

3. A Highly Efficient Universal Bipolar Host for Blue, Green, and Red Phosphorescent OLEDs Cheng, C.; et al. Adv. Mater. 22, 2468 - 2471, (2010)


4. A Novel Family of Boron-Containing Hole-Blocking Amorphous Molecular Materials for Blue- and Blue–Violet-Emitting Organic Electroluminescent Devices Kinoshita, M.; et al. Adv. Funct. Mater. 12, 780-786, (2002)

Highly Efficient Red Phosphorescent OLEDs based on Non-Conjugated Silicon-Cored Spirobifluorene Derivative Doped with Ir-Complexes Lyu, Y.; Kwak, J.; Jeon, W.; et al. Adv. Funct. Mater. 19, 420-427, (2009)

Merck 14,370

Beil. 21,II,56

Structure Index 1, 413:A:2

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