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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 19, Iss. 7 — Mar. 28, 2011
  • pp: 5895–5901

Surface-plasmon-enhanced visible-light emission of ZnO/Ag grating structures

Minji Gwon, Eunsongyi Lee, Dong-Wook Kim, Ki-Ju Yee, Min Jung Lee, and Youn Sang Kim  »View Author Affiliations

Optics Express, Vol. 19, Issue 7, pp. 5895-5901 (2011)

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We investigated the optical properties of ZnO/Ag grating structures fabricated by sputtering and nanoimprint lithography. The grating structures exhibited multiple peak features in broad visible-range photoluminescence (PL) spectra. The PL intensity of the grating was larger than that of a planar thin film by up to two orders of magnitude. The surface plasmon (SP) dispersion relation suggested excitation of SPs with various energies of the grating, explaining the broad PL emission. The spectral dependence of the PL intensity was also well supported by the experimental reflectance spectra and the simulated electric field distribution at the ZnO/Ag interface.

© 2011 OSA

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(160.4236) Materials : Nanomaterials

ToC Category:
Optics at Surfaces

Original Manuscript: January 19, 2011
Manuscript Accepted: March 1, 2011
Published: March 15, 2011

Minji Gwon, Eunsongyi Lee, Dong-Wook Kim, Ki-Ju Yee, Min Jung Lee, and Youn Sang Kim, "Surface-plasmon-enhanced visible-light emission of ZnO/Ag grating structures," Opt. Express 19, 5895-5901 (2011)

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