Acetylacetonatobis(2-phenylpyridine)iridium CAS 337526-85-9

Introduction：Basic information about Acetylacetonatobis(2-phenylpyridine)iridium CAS 337526-85-9, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Acetylacetonatobis(2-phenylpyridine)iridium Basic information

• Product Name: Acetylacetonatobis(2-phenylpyridine)iridium
• Synonyms: IridiuM(III) bis(2-phenylpyridinato-N,C2') (acetylacetonate);Bis(2-phenylpyridine-C2,N')(acetylacetonato)IridiuM (III);(ppy)2Ir(acac);Bis(2-phenylpyridine)(acetylacetonate)iridiuM(III)/ Ir(ppy)2(acac);Bis[2-(2-pyridinyl-N)phenyl-C](acetylacetonato)iridiuM(III);Bis[2-(2-pyridinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III);Bis(2-phenylpyridine)(acetylacetonate)iridium;Ir(ppy)2(acac)
• CAS: 337526-85-9
• MF: C27H23IrN2O2
• MW: 599.711
• EINECS: 803-559-6
• Product Categories: oled materials;fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials
• Mol File: 337526-85-9.mol

Acetylacetonatobis(2-phenylpyridine)iridium Chemical Properties

• Melting point: 349-356°C
• form: powder
• color: Light yellow to Yellow to Orange
• λmax: 261 nm in dichloromethane
• InChI: InChI=1S/2C11H8N.C5H8O2.Ir/c2*1-2-6-10(7-3-1)11-8-4-5-9-12-11;1-4(6)3-5(2)7;/h2*1-6,8-9H;3,6H,1-2H3;/q;;;+1/p-1/b;;4-3-;
• InChIKey: QISLNNOQKUEVTI-DVACKJPTSA-M
• SMILES: C1=CC=C([Ir](C2C=CC=CC=2C2N=CC=CC=2)O/C(/C)=C\C(C)=O)C(C2N=CC=CC=2)=C1
• 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
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Eye Irrit. 2 Skin Irrit. 2 STOT SE 3

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%).