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694924

Sigma-Aldrich

Tris[2-phenylpyridinato-C2,N]iridium(III)

sublimed grade

Synonym(s):

Ir(ppy)3, Iridium, tris[2-(2-pyridinyl-κN)phenyl-κC]

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About This Item

Empirical Formula (Hill Notation):
C33H24IrN3
CAS Number:
Molecular Weight:
654.78
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23

grade

sublimed grade

Quality Level

form

powder

loss

0.5% loss on heating, 359°C (typical, TGA)

transition temp

transition temp 437.6 °C (typical, DSC)

λmax

282 nm

fluorescence

λex 305 nm; λem 507 nm in chloroform

Orbital energy

HOMO 5.6 eV 
LUMO 3 eV 

OLED Device Performance

ITO/HMPD/TAZ:Ir(ppy)3 (7%)/Alq3/Al:Li

  • Color: green
  • Max. Luminance: 4000 Cd/m2
  • Max. EQE: 15 %

ITO/NPD/CBP:Ir(ppy)3 (6%)/Alq3/Mg:Ag
  • Color: green
  • Max. Luminance: 100000 Cd/m2
  • Max. EQE: 8 %
  • Turn-On Voltage: 4.3 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/TCTA/Ir(ppy)3/Bphen/LiF/Al
  • Color: green
  • Max. Luminance: 300000 Cd/m2
  • Max. EQE: 19 %
  • Turn-On Voltage: 2.6 V

SMILES string

c1ccc(nc1)-c2ccccc2[Ir](c3ccccc3-c4ccccn4)c5ccccc5-c6ccccn6

InChI

1S/3C11H8N.Ir/c3*1-2-6-10(7-3-1)11-8-4-5-9-12-11;/h3*1-6,8-9H;

InChI key

QKBWDYLFYVXTGE-UHFFFAOYSA-N

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Application

OLED triplet emitter (green).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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High-efficiency, low-voltage phosphorescent organic light-emitting diode devices with mixed host
Kondakova, M.; Pawlik, T.; Young, R.; et al.
Journal of Applied Physics, 104, 094501-094501 (2008)
Highly efficient, single-layer organic light-emitting devices based on a graded-composition emissive layer
Holmes, R. J.; et al.
Applied Physics Letters, 97, 083308-083308 (2010)
High-efficiency organic electrophosphorescent devices with tris(2-phenylpyridine)iridium doped into electron-transporting materials
Adachi, C.; ea al.
Applied Physics Letters, 77, 904-904 (2000)
Very high-efficiency green organic light-emitting devices based on electrophosphorescence
Forrest, S. R.; et al.
Applied Physics Letters, 75, 4-4 (1999)
A highly efficient universal bipolar host for blue, green, and red phosphorescent OLEDs.
Ho-Hsiu Chou et al.
Advanced materials (Deerfield Beach, Fla.), 22(22), 2468-2471 (2010-05-07)

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