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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 13 — Jun. 21, 2010
  • pp: 13542–13546

1.54 μm electroluminescence from p-Si anode organic light emitting diode with Bphen: Er(DBM)3phen as emitter and Bphen as electron transport material

F. Wei, Y. Z. Li, G. Z. Ran, and G. G. Qin  »View Author Affiliations


Optics Express, Vol. 18, Issue 13, pp. 13542-13546 (2010)
http://dx.doi.org/10.1364/OE.18.013542


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Abstract

1.54 μm Si-anode organic light emitting devices with Er(DBM)3phen: Bphen and Bphen/Bphen:Cs2CO3 as the emissive and electron transport layers (the devices are referred to as the Bphen-based devices) have been investigated. In comparison with the AlQ-based devices with the same structure but with AlQ:Er(DBM)3Phen and AlQ as the emissive and electron transport layers, the maximum EL intensity and maximum power efficiency from the Bphen-based devices increase by a factor of 3 and 2.2, respectively. The optimized p-Si anode resistivity of the Bphen-based device of 10 Ω·cm is significantly lower than that of the AlQ-based device. The NIR EL improvement can be attributed to the energy transfer from Bphen to the Er complex and equilibrium of electron injection from the Sm/Au cathode and hole injection from the p-Si anode at a higher level.

© 2010 OSA

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

ToC Category:
Optical Devices

History
Original Manuscript: February 16, 2010
Revised Manuscript: April 7, 2010
Manuscript Accepted: April 13, 2010
Published: June 9, 2010

Citation
F. Wei, Y. Z. Li, G. Z. Ran, and G. G. Qin, "1.54 μm electroluminescence from p-Si anode organic light emitting diode with Bphen: Er(DBM)3phen as emitter and Bphen as electron transport material," Opt. Express 18, 13542-13546 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-13-13542


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