Efficient yellow electroluminescence from a single layer of a cyclometalated iridium complex

Jason D Slinker; Alon A Gorodetsky; Michael S Lowry; Jingjing Wang; Sara Parker; Richard Rohl; Stefan Bernhard; George G Malliaras

doi:10.1021/ja0345221

Efficient yellow electroluminescence from a single layer of a cyclometalated iridium complex

J Am Chem Soc. 2004 Mar 10;126(9):2763-7. doi: 10.1021/ja0345221.

Authors

Jason D Slinker¹, Alon A Gorodetsky, Michael S Lowry, Jingjing Wang, Sara Parker, Richard Rohl, Stefan Bernhard, George G Malliaras

Affiliation

¹ Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, USA.

PMID: 14995193
DOI: 10.1021/ja0345221

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.