View : 36 Download: 0

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.
Ewha Authors
김동욱
SCOPUS Author ID
김동욱scopus
Issue Date
2011
Journal Title
Proceedings of SPIE - The International Society for Optical Engineering
ISSN
0277-786XJCR Link
Citation
vol. 8096
Indexed
SCOPUS scopus
Abstract
We investigated the optical properties of ZnO/Ag grating structures, with the periods of 1000 and 1400 nm, fabricated by sputtering and nanoimprint lithography. The grating structures exhibited multiple peak features in visible-range photoluminescence (PL) spectra. Whereas a ZnO/Ag planar thin film showed two broad PL peaks in UV and visible region. Moreover, the PL intensity of the periodic structures was ∼100 times larger than that of the planar counterpart. Several reflectance dips in the visible range were seen only in the grating structures which could be caused by photoninduced surface plasmon polariton (SPP) excitation via the grating coupling. The PL peaks well matched with the reflectance dips. This represented that the PL enhancement should be originated from the SPP excitation. The finitedifference time-domain simulations also supported the plasmonic effects in the periodic structures. © 2011 SPIE.
DOI
10.1117/12.892860
ISBN
9780819487063
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE