科研之友
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摘要
The new deep-blue iridium complex, Ir(dppfm)(2)pic, consisting of a phosphoryl group at the 3%26apos;-position of the phenyl ring and a methyl group at the 4-position of pyridine, was synthesized and characterized for applications in organic light-emitting diodes (OLEDs). Ir(dppfm) 2pic exhibited an emission peak of 455 nm and high photoluminescence quantum yields of 73%. Phosphorescent OLEDs based on Ir(dppfm)(2)pic exhibited a maximum external quantum efficiency of 7.8% and Commission Internationale de l%26apos;Eclairage (CIE) coordinates of (0.15, 0.22).
- 出版日期2014-7
