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Energy Express

Energy Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. S6 — Nov. 7, 2011
  • pp: A1241–A1249

Phosphonate functionalized oxadiazole derivative as an efficient electron transporting material for solution-processed blue electrophosphorescent devices

Jianhong Lü, Zhihua Ma, Bin Meng, Dan Sui, Baohua Zhang, Zhiyuan Xie, Xiabin Jing, Fosong Wang, Junqiao Ding, and Lixiang Wang  »View Author Affiliations


Optics Express, Vol. 19, Issue S6, pp. A1241-A1249 (2011)
http://dx.doi.org/10.1364/OE.19.0A1241


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Abstract

An efficient electron transporting material, P-OXD (1,3-bis[(4-(4-diethylphosphoryl-butyl-phenyl))-1,3,4-oxidiazol-2-yl]phenylene), has been synthesized and thoroughly characterized. Due to its alcohol-soluble nature, P-OXD can be spin-coated atop the light emitting layer to form high quality film without dissolving the underlying layer. As a consequence, the double-layer blue electrophosphorescent device has been successfully fabricated, giving a peak luminous efficiency of 10.5 cd/A, and a maximum brightness of 8200 cd/m2 with the Commission Internationale de L’Eclairage (CIE) coordinates of (0.16, 0.33). The promising results indicate that P-OXD has a potential application in solution-processed multilayer polymer light-emitting diodes.

© 2011 OSA

OCIS Codes
(160.4890) Materials : Organic materials
(230.0250) Optical devices : Optoelectronics
(230.3670) Optical devices : Light-emitting diodes

ToC Category:
Light-Emitting Diodes

History
Original Manuscript: July 27, 2011
Revised Manuscript: September 14, 2011
Manuscript Accepted: September 14, 2011
Published: November 7, 2011

Virtual Issues
Organic Light-Emitting Diodes (2011) Optics Express

Citation
Jianhong Lü, Zhihua Ma, Bin Meng, Dan Sui, Baohua Zhang, Zhiyuan Xie, Xiabin Jing, Fosong Wang, Junqiao Ding, and Lixiang Wang, "Phosphonate functionalized oxadiazole derivative as an efficient electron transporting material for solution-processed blue electrophosphorescent devices," Opt. Express 19, A1241-A1249 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-S6-A1241


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