Efficient Yellow Electroluminescence from a Single Layer of a Cyclometalated Iridium Complex
Journal of the American Chemical Society2004Vol. 126(9), pp. 2763–2767
Citations Over TimeTop 1% of 2004 papers
Jason D. Slinker, Alon A. Gorodetsky, Michael S. Lowry, Jingjing Wang, Sara T. Parker, Richard Rohl, Stefan Bernhard, George G. Malliaras
Abstract
We report on the spectroscopic, electrochemical, and electroluminescent properties of [Ir(ppy)(2)(dtb-bpy)](+)(PF(6))(-) (ppy: 2-phenylpyridine, dtb-bpy: 4,4'-di-tert-butyl-2,2'-dipyridyl). Single-layer devices were fabricated and found to emit yellow light with a brightness that exceeds 300 cd/m(2) and a luminous power efficiency that exceeds 10 Lm/W at just 3 V. The PF(6)(-) space charge was found to dominate the device characteristics.
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