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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:
94928-86-6
Molecular Weight:
654.78
MDL number:
MFCD12022527
UNSPSC Code:
12352103
PubChem Substance ID:
329761700
NACRES:
NA.23

grade

sublimed grade

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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