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Acetylacetonatobis(2-phenylpyridine)iridium

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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
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Acetylacetonatobis(2-phenylpyridine)iridium Chemical Properties

Melting point:
349-356°C
form 
powder
InChIKey
QISLNNOQKUEVTI-DVACKJPTSA-M
Absorption
λmax?259 in THF
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.
Odor
Yellow powder/crystals
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26
WGK Germany 
3
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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.

Acetylacetonatobis(2-phenylpyridine)iridiumSupplier

Xi’an Polymer Light Technology Corp. Gold
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