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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 12 — Sep. 30, 2010

Nanocomposite plasmonic fluorescence emitters with core/shell configurations

Xiaoyu Miao, Igal Brener, and Ting Shan Luk  »View Author Affiliations


JOSA B, Vol. 27, Issue 8, pp. 1561-1570 (2010)
http://dx.doi.org/10.1364/JOSAB.27.001561


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Abstract

This paper is focused on the optical properties of nanocomposite plasmonic emitters with core/shell configurations, where a fluorescence emitter is located inside a metal nanoshell. Systematic theoretical investigations are presented for the influence of material type, core radius, shell thickness, and excitation wavelength on the internal optical intensity, radiative quantum yield, and fluorescence enhancement of the nanocomposite emitter. It is our conclusion that: (i) an optimal ratio between the core radius and shell thickness is required to maximize the absorption rate of fluorescence emitters, and (ii) a large core radius is desired to minimize the non-radiative damping and avoid significant quantum yield degradation of light emitters. Several experimental approaches to synthesize these nanocomposite emitters are also discussed. Furthermore, our theoretical results are successfully used to explain several reported experimental observations and should prove useful for designing ultra-bright core/shell nanocomposite emitters.

© 2010 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(260.2510) Physical optics : Fluorescence

ToC Category:
Physical Optics

History
Original Manuscript: May 7, 2010
Manuscript Accepted: June 7, 2010
Published: July 16, 2010

Virtual Issues
Vol. 5, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Xiaoyu Miao, Igal Brener, and Ting Shan Luk, "Nanocomposite plasmonic fluorescence emitters with core/shell configurations," J. Opt. Soc. Am. B 27, 1561-1570 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josab-27-8-1561

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