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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 18 — Aug. 29, 2011
  • pp: 16843–16850

Enhanced luminescence efficiency by surface plasmon coupling of Ag nanoparticles in a polymer light-emitting diode

Sy-Hann Chen and Jhen-Yu Jhong  »View Author Affiliations


Optics Express, Vol. 19, Issue 18, pp. 16843-16850 (2011)
http://dx.doi.org/10.1364/OE.19.016843


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Abstract

This study achieved a substantial enhancement in electroluminescence by coupling localized surface plasmons in a single layer of Ag nanoparticles. Thermal evaporation was used to fabricate 20-nm Ag particles sandwiched between a gallium-doped zinc oxide film and a glass substrate to form novel window materials for use in polymer light-emitting diodes (PLEDs). The PLEDs discussed herein are single-layer devices based on a poly(9,9-di-n-octyl-2,7-fluorene) (PFO) emissive layer. In addition to low cost, this novel fabrication method can effectively prevent interruption or degradation of the charge transport properties of the active layer to meet the high performance requirements of PLEDs. Due to the surface-plasmon-enhanced emission, the electroluminescence intensity was increased by nearly 1-fold, compared to that of the same PLED without the interlayer of Ag nanoparticles.

© 2011 OSA

OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(250.2080) Optoelectronics : Polymer active devices

ToC Category:
Optoelectronics

History
Original Manuscript: June 6, 2011
Revised Manuscript: August 10, 2011
Manuscript Accepted: August 10, 2011
Published: August 15, 2011

Citation
Sy-Hann Chen and Jhen-Yu Jhong, "Enhanced luminescence efficiency by surface plasmon coupling of Ag nanoparticles in a polymer light-emitting diode," Opt. Express 19, 16843-16850 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-18-16843


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