Ir(ppy)2(bpmp)

Order Code: M761
MSDS sheet

Price

(excluding Taxes)

£189.00


General Information

CAS number 1215692-34-4
Chemical formula C40H30IrN3
Molecular weight 744.90 g/mol
Absorption λmax = 212 nm, 244 nm, 285 nm
Fluorescence λem = 518.6 nm
HOMO/LUMO No data available
Synonyms [2-(4-methyl-5-phenyl-2-pyridinyl-κN)phenyl-κC]bis[2-(2-pyridinyl-κN)phenyl-κC] Iridium
Classification / Family

Iridium complex, Coordination compound, Phosphorescent green emitter, OLEDs, Organic electronics

 

Product Details

Purity Sublimed* >99.6%
Melting point / Thermal analysis

Thermal Gravimetric Analysis (TGA): 423.9 °C (5% weight loss)

Differential Scanning Calorimetry (DSC): 407.4 °C

Colour Yellow powder/crystals

*Sublimation is a technique used to obtain ultra pure grade chemicals to get rid of mainly trace metals and inorganic impurities. Sublimation happens under certain pressure for chemicals to only go through two physical stages, from a solid sate to vapour (gas) and then the vapour condensed to a solid state on a cool surface (referred to as cold finger). The most typical examples of sublimation are iodine and dry ice. For more details about sublimation, please refer to sublimed materials for OLEDs and perovskites and our collection of sublimed materials.

 

Chemical Structure

chemical structure of Ir(ppy)2(bpmp)
Chemical Structure of Ir(ppy)2(bpmp); CAS No. 1215692-34-4; Chemical Formula C40H30IrN3.

 

Applications

Like Ir(ppy)3, [2-(4-methyl-5-phenyl-2-pyridinyl-κN)phenyl-κC]bis[2-(2-pyridinyl-κN)phenyl-κC] Iridium, known as Ir(ppy)2(bpmp), is a phosphorescent green emitter. It is believed that the introduction of the methyl group at para position to the pyridine nitrogen can provide a twist and also electron donating effect, raising the LUMO energy level of the complex and also the triplet energy level, resulting a blue shift in the emission.

 

Device structure                                           

ITO/E1* (100 nm)/NPD (30 nm)/H2*:Ir(ppy)2(bpmp) (10 wt%, 30 nm)/H2 (10 nm)/Alq3 (40 nm)/LiF/Al [1]

Colour Green  green
EQE@1000 cd/m2 17.2%
Current efficiency@1000 cd/m2 62.9 cd/A
Power Efficiency@1000 cd/m2 39.5 lm W1  

*For chemical structure information please refer to the cited references.

 

Characterisation

hplc of Ir(ppy)2(bpmp)
HPLC trace of Ir(ppy)2(bpmp).

 

uv, photoluminescence of Ir(ppy)2(bpmp)
UV-Vis absorption and photoluminescence spectra of Ir(ppy)2(bpmp).

 

dsc, tga of Ir(ppy)2(bpmp)
DSC and TGA traces of Ir(ppy)2(bpmp).

 

Literature and Reviews

  1. Phosphorescent metal complexes and iridium complex preparation and organic light-emitting devices using the complexes, C. Xia et al., PCT Int. Appl. (2010), WO 2010028151 A1 20100311.
  2. Organic electroluminescent devices having high luminous efficiency and good lifespan, K-J. Park et al., PCT Int. Appl. (2016), WO 2016013867 A1 20160128.
  3. Heteroleptic cyclometalated phenylbenzimidazole iridium complexes as electroluminescent materials for organic light-emitting devices, Ger. Offen. (2014), DE 102014001468 A1 20140814.