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Bis(2-phenylquinoline)(2,2,6,6-tetramethylheptane-3,5-dionate)iridium(III) - Ir(dpm)PQ2, also known as Ir(PQ)2(tmd) is an orange to red phosphorescent emitter. The ligand 2,2,6,6-tetramethylheptane-3,5-dionate corrdinated to the iridium centre is sterically hindered with two bulky tert-butyl groups at both ends.
Ir(dpm)PQ2 is often either used in pure red as a single emitting layer material or in white emitting highly efficient OLED devices for its low lying triplet energy state and greater stability, preventing triplet-triplet annihilation thus leading to higher device efficiencies.
Highly efficient single- and multi-emission-layer fluorescent/phosphorescent hybrid white organic light-emitting diodes with ~20% external quantum efficiency, X. Li et al., J. Mater. Chem. C, 3, 9233 (2015); DOI: 10.1039/c5tc02050f.
High-Efficiency Blue and White Organic Light-Emitting Devices Incorporating a Blue Iridium Carbene Complex, H. Sasabe et al., Adv. Mater., 22, 5003–5007 (2010); DOI: 10.1002/adma.201002254.
Predicting Operational Stability for Organic Light-Emitting Diodes with Exciplex Cohosts, Z. Wang et al., Adv. Sci., 6, 1802246 (2019); DOI: 10.1002/advs.201802246.
To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.