Photoluminescence enhancement in nanoimprinted photonic crystals and coupled surface plasmons
Optics Express, Vol. 15, Issue 12, pp. 7190-7195 (2007)
http://dx.doi.org/10.1364/OE.15.007190
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Abstract
A method to enhance the photoluminescence of dye chromophores-loaded by coupling the emission to surface plasmons in nanoimprinted photonic crystals is reported. A 9-fold enhancement in the spontaneous emission intensity of a rhodamine-doped polymer film is achieved on a silver layer due to surface plasmon excitation. By changing the surface plasmon frequency, this enhancement can be suppressed. When the polymer film is patterned by nanoimprint lithography with a two-dimensional photonic crystal the photoluminescence intensity increases up to 27 times compared to unpatterned samples on a quartz substrate.
© 2007 Optical Society of America
OCIS Codes
(220.3740) Optical design and fabrication : Lithography
(240.6680) Optics at surfaces : Surface plasmons
(250.3680) Optoelectronics : Light-emitting polymers
ToC Category:
Photonic Crystals
History
Original Manuscript: February 9, 2007
Revised Manuscript: April 3, 2007
Manuscript Accepted: April 5, 2007
Published: May 29, 2007
Citation
V. Reboud, N. Kehagias, M. Zelsmann, C. Schuster, M. Fink, F. Reuther, G. Gruetzner, and C. M. Sotomayor Torres, "Photoluminescence enhancement in nanoimprinted photonic crystals and coupled surface plasmons," Opt. Express 15, 7190-7195 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-12-7190
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