APL Nameplate
  • Volume/Page
  • Keyword
  • DOI
  • Citation
  • Advanced
   
 
 
 

Flickr Twitter UniPHY Group iResearch App Facebook

Applied Physics Letters / Volume 90 / Issue 2 / DEVICE PHYSICS

Appl. Phys. Lett. 90, 023506 (2007); http://dx.doi.org/10.1063/1.2430926 (3 pages)

Highly efficient near-infrared organic excimer electrophosphorescent diodes

M. Cocchi1, D. Virgili1, V. Fattori1, J. A. G. Williams2, and J. Kalinowski3

1Institute of Organic Synthesis and Photoreactivity, National Research Council of Italy (ISOF-CNR), I-40129 Bologna, Italy
2Department of Chemistry, University of Durham, Durham DH1 3LE, United Kingdom
3Department of Molecular Physics, Gdańsk University of Technology, 80-952 Gdańsk, Poland

View MapView Map

(Received 18 October 2006; accepted 5 December 2006; published online 11 January 2007)

The authors report the fabrication of very high efficiency near-infrared (NIR) organic light-emitting diodes (LEDs) based on a series of terdentate cyclometallated phosphorescent Pt(II) complexes PtLCl as the emitting layer. The LEDs exhibit exclusive NIR excimeric phosphorescence peaking between 705 and 720 nm for three different organic ligands (L). Due to the high excimer emission quantum yields of these Pt complexes and to confinement of the recombination zone within the emission layer, unusually high external quantum efficiencies from 9.8% to 10.7% photons/electron and a high forward light output exceeding 15 mW/cm2 were achieved.

© 2007 American Institute of Physics

RELATED DATABASES

To view database links for this article, you need to log in.

KEYWORDS and PACS

Keywords

organic light emitting diodes, phosphorescence

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2430926

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    C. W. Tang and S. A. VanSlyke, Appl. Phys. Lett. 51, 913 (1987)APPLAB000051000012000913000001.

    R. G. Sun, Y. Z. Wang, Q. B. Zheng, H. J. Zhang, and A. J. Epstein, J. Appl. Phys. 87, 7589 (2000)JAPIAU000087000010007589000001.

    O. M. Khreis, R. J. Curry, M. Somerton, and W. P. Gillin, J. Appl. Phys. 88, 777 (2000)JAPIAU000088000002000777000001.

    E. L. Williams, J. Li, and G. E. Jabbour, Appl. Phys. Lett. 89, 083506 (2006)APPLAB000089000008083506000001.

    M. A. Baldo and S. R. Forrest, Phys. Rev. B 62, 10958 (2000).

    J. Kalinowski, L. C. Palilis, W. H. Kim, and Z. H. Kafafi, J. Appl. Phys. 94, 7764 (2003)JAPIAU000094000012007764000001.

    V. Bulovic, V. B. Khalfin, G. Gu, P. E. Burrows, D. Z. Garbuzov, and S. R. Forrest, Phys. Rev. B 58, 3730 (1998).

    J. Kalinowski, W. Stampor, J. Szmytkowski, D. Virgili, M. Cocchi, V. Fattori, and C. Sabatini, Phys. Rev. B 74, 085316 (2006).


For access to citing articles, you need to log in.


Figures (3) Tables (1)

Access to article objects (figures, tables, multimedia) requires a subscription; log in to view available files.
(Access to supplementary files, where available, is free for this journal.)

Access to article objects (figures, tables, multimedia) requires a subscription; log in to view available files.
(Access to supplementary files, where available, is free for this journal.)



Close

Google Calendar

ADVERTISEMENT

Your Recent History Recent History Help

Recently Viewed

  1. Highly efficient near-infrared organic excimer electrophosphorescent diodes
  2. Effects of alloy intermixing on the lateral confinement potential in InAs/GaAs self-assembled quantum dots probed by intersublevel absorption spectroscopy
  3. Fast fragmentation of metal oxide nanoparticles via reduction in oxyhydrogen flame
  4. Extended electronic states above metal-doped carbon nanostructures
  5. Temperature dependence of terahertz emission from InMnAs
Go to AIP Home
Copyright © American Institute of Physics
close