Bis(1-phenylisoquinoline)(acetylacetonate)iridium(III), Ir(piq)2(acac) is widely used as an efficient phosphorescent red emitter dopant material in PhOLED devices. It was reported that the piq ligand can partially suppress the triplet-triplet annihilation and show short phosphorescent lifetime .
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Host and Dopant Materials for Idealized Deep-Red Organic Electrophosphorescence Devices, C-H. Fan et al., Adv. Mater., 23, 2981–2985 (2011); DOI: 10.1002/adma.201100610.
Full-Wavelength White Organic Light Emitting Diodes with Blue Fluorescence and Phosphorescent Iridium Complexes, J. Li et al., J. Electrochem. Soc. 2006 volume 153, issue 11, H195-H197; doi: 10.1149/1.2335968
A multi-zoned white organic light-emitting diode with high CRI and low color temperature, T. Zhang et al., Sci. Reports, 6:20517; DOI: 10.1038/srep20517.
Influence of Dopant Concentration on Electroluminescent Performance of Organic White-Light-Emitting Device with Double-Emissive-Layered Structure, M. Wu et al., Chin. Phys. Lett., 25, 294-297 (2008).
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