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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 3138–3144

Localized surface plasmon-enhanced near-ultraviolet emission from InGaN/GaN light-emitting diodes using silver and platinum nanoparticles

Sang-Hyun Hong, Chu-Young Cho, Sang-Jun Lee, Sang-Youp Yim, Wantae Lim, Sung-Tae Kim, and Seong-Ju Park  »View Author Affiliations

Optics Express, Vol. 21, Issue 3, pp. 3138-3144 (2013)

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We demonstrate localized surface plasmon (LSP)-enhanced near-ultraviolet light-emitting diodes (NUV-LEDs) using silver (Ag) and platinum (Pt) nanoparticles (NPs). The optical output power of NUV-LEDs with metal NPs is higher by 20.1% for NUV-LEDs with Ag NPs and 57.9% for NUV-LEDs with Pt NPs at 20 mA than that of NUV-LEDs without metal NPs. The time-resolved photoluminescence (TR-PL) spectra shows that the decay times of NUV-LEDs with Ag and Pt NPs are faster than that of NUV-LEDs without metal NPs. The TR-PL and absorbance spectra of metal NPs indicate that the spontaneous emission rate is increased by resonance coupling between excitons in the multiple quantum wells and LSPs in the metal NPs.

© 2013 OSA

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.3670) Optical devices : Light-emitting diodes
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optical Devices

Original Manuscript: August 2, 2012
Revised Manuscript: December 28, 2012
Manuscript Accepted: January 25, 2013
Published: February 1, 2013

Sang-Hyun Hong, Chu-Young Cho, Sang-Jun Lee, Sang-Youp Yim, Wantae Lim, Sung-Tae Kim, and Seong-Ju Park, "Localized surface plasmon-enhanced near-ultraviolet emission from InGaN/GaN light-emitting diodes using silver and platinum nanoparticles," Opt. Express 21, 3138-3144 (2013)

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