No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Green phosphorescent light-emitting diodes from polymer doped with iridium complex
1.M. A. Baldo, D. F. O’Brien, Y. You, A. Shoustikov, S. Sibley, M. E. Thompson, and S. R. Forrest, Nature (London) 395, 151 (1998).
7.M. D. McGehee, T. Bergstedt, C. Zhang, A. P. Saab, M. B. O’Regan, G. C. Bazan, V. I. Srdanov, and A. J. Heeger, Adv. Mater. (Weinheim, Ger.) 11, 1349 (1999).
12.Y. I. Kim, Y. M. Heo, S. H. Jin, H. J. Seo, K. S. Yook, J. Y. Lee, and S. K. Kang (unpublished).
Article metrics loading...
We demonstrate efficient organic light-emitting diodes by using a phosphorescent host/guest system consisting of a recently developed green electrophosphorescent molecule, bis[(4,6-difluorophenyl)-8-methylpyridinato- )iridium pyrazinate , as the guest and a blend of poly( -vinylcarbazole) (PVK) with 2-(4-biphenyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole (PBD) as the host and different cathode structures such as a triple layer of and a bilayer of . The electrophosphorescence emission was characteristic of , with its maximum at with Commission International de L’Eclairage coordinates of (0.43, 0.53). The device with of in PVK/PBD with a CsF bilayer exhibited an external quantum efficiency of 6.2%, luminescence efficiency of , luminous power efficiency of , and maximum brightness of .
Full text loading...
Most read this month