Acetylacetonatobis(2-phenylpyridine)iridium Chemical Properties

Melting point:

349-356°C

form 

powder

color 

Light yellow to Yellow to Orange

InChIKey

QISLNNOQKUEVTI-DVACKJPTSA-M

Absorption

λmax?259 in THF

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26

WGK Germany 

3

HS Code 

2843.90.0000

Acetylacetonatobis(2-phenylpyridine)iridium Usage And Synthesis

Applications

Like Ir(ppy)3, bis[2-(2-pyridinyl-N)phenyl-C](acetylacetonato)iridium(III), or Ir(ppy)2(acac), is one of the most studied OLED materials due to its high quantum yields. When doped into 3,5-Diphenyl-4-(1-naphthyl)-1H-1,2,4-triazole (TAZ), very high external quantum efficiencies of (19.06 ± 1.0%) and luminous power efficiencies of 60±5 lm/W were achieved. This was attributed to the nearly 100% internal phosphorescence efficiency of Ir(ppy)2(acac), coupled with balanced hole and electron injection, and triplet exciton confinement within the light-emitting layer.
Ir(ppy)2(acac) demonstrated higher external quantum efficiency when compared with Ir(ppy)3. It was suggested that Ir(ppy)2(acac) molecules preferentially align so that their transition dipole moment is parallel to the substrate, whereas the orientation of Ir(ppy)3 molecules is nearly isotropic.

Description

Like?Ir(ppy)3, bis[2-(2-pyridinyl-N)phenyl-C](acetylacetonato)iridium(III), or?Ir(ppy)2(acac), is one of the most studied OLED materials due to its high quantum yields. When doped into 3,5-Diphenyl-4-(1-naphthyl)-1H-1,2,4-triazole (TAZ), very high external quantum efficiencies of (19.06 ± 1.0%) and luminous power efficiencies of 60±5 lm/W were achieved. This was attributed to the nearly 100% internal phosphorescence efficiency of Ir(ppy)2(acac), coupled with balanced hole and electron injection, and triplet exciton confinement within the light-emitting layer.

Uses

(ppy)₂Ir(acac) used in green phosphorescent OLED devices as dopant/emitter achieved high brightness of 130800 cd m_2 at a current density of 1550 mA cm_2 (13 V), and high quantum efficiency (15~16%).

Acetylacetonatobis(2-phenylpyridine)iridium(337526-85-9)Related Product Information

• TRIS(2,2'-BIPYRIDYL)RUTHENIUM(II) CHLORIDE HEXAHYDRATE
• TRIS(2,2'-BIPYRIDINE)RUTHENIUM(II) HEXAFLUOROPHOSPHATE
• Dichlorotetrakis[2-(2-pyridyl)phenyl]diiridiuM(III)
• (2,2'-Bipyridine)bis(2-phenylpyridinato)iridium(III) Hexafluorophosphate
• Ferric acetylacetonate
• Manganic acetylacetonate
• Iridium
• Acetylacetone
• ERBIUM (III) 2,4-PENTANEDIONATE
• Tris[2-(p-tolyl)pyridine]iridium(III)
• 8-Hydroxyquinolinolato-lithium
• Tris(2-phenylpyridine)iridium (Ir(ppy)3)
• Ir(piq)3, Tris[1-phenylisoquinolinato-C2,N]iridium(III)
• Bis(1-phenyl-isoquinoline)(Acetylacetonato)iridium(III)
• ZINC ACETYLACETONATE HYDRATE
• THALLIUM(I) 2,4-PENTANEDIONATE
• Iridium(III) acetylacetonate
• LEAD(II) ACETYLACETONATE