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자연과학대학
물리학전공
Journal papers
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Surface-plasmon-enhanced visible-light emission of ZnO/Ag grating structures
Title
Surface-plasmon-enhanced visible-light emission of ZnO/Ag grating structures
Authors
Gwon M.
;
Lee E.
;
Kim D.-W.
;
Yee K.-J.
;
Lee M.J.
;
Kim Y.S.
Ewha Authors
김동욱
SCOPUS Author ID
김동욱
Issue Date
2011
Journal Title
Optics Express
ISSN
1094-4087
Citation
Optics Express vol. 19, no. 7, pp. 5895 - 5901
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
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 Optical Society of America.
DOI
10.1364/OE.19.005895
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