Please use this identifier to cite or link to this item: https://doi.org/10.1117/12.841747
Title: Numerical and experimental study of fluorescence enhancement with silica encapsulated metallic nanoparticles
Authors: Zhang, J.B.
Ho, J.F.
Cheng, L. 
Teo, Q.Q.
Sze, J.Y.
Luk'yanchuk, B.
Keywords: Finite Difference Time Domain (FDTD) simulation
Localized surface plasmons
Metal-enhanced fluorescence
Metallic nanoparticles (NPs)
Silica (SiO 2) spacer layer
SiO 2 encapsulated gold NPs (Au@SiO 2)
Issue Date: 2010
Source: Zhang, J.B., Ho, J.F., Cheng, L., Teo, Q.Q., Sze, J.Y., Luk'yanchuk, B. (2010). Numerical and experimental study of fluorescence enhancement with silica encapsulated metallic nanoparticles. Progress in Biomedical Optics and Imaging - Proceedings of SPIE 7577 : -. ScholarBank@NUS Repository. https://doi.org/10.1117/12.841747
Abstract: A metallic nanoparticle can act as an optical antenna, enhancing the fluorescence of nearby fluorescent molecules. We investigate the effects of a silica spacer layer on this fluorescence enhancement. Numerical simulations using the Finite- Difference Time Domain (FDTD) method is performed to find the optimum size for the gold nanosphere core as well as the optimum thickness of the silica shell. We present the dependence of radiative decay rate and quantum yield of the fluorescent molecule with respect to varying silica layer thicknesses. © 2010 Copyright SPIE - The International Society for Optical Engineering.
Source Title: Progress in Biomedical Optics and Imaging - Proceedings of SPIE
URI: http://scholarbank.nus.edu.sg/handle/10635/73692
ISBN: 9780819479730
ISSN: 16057422
DOI: 10.1117/12.841747
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