Fluorescence enhancement of radix angelica dahurica by binding to single silver sphere

doi:10.1088/1674-1056/24/5/057803

Abstract We present a theoretical study of the influence of a single silver sphere on the fluorescence of radix angelica dahurica, which is a kind of traditional Chinese medicine. The enhancement factors of the excitation and the relaxation processes are deduced. The excitation can be enhanced more than 100 times at 315 nm. The enhancement factor of the emission can reach up to 9 at a center wavelength of 400 nm.

Keywords: silver sphere local surface plasmon resonance fluorescence enhancement radix angelica dahurica

Received: 11 July 2014
Revised: 10 October 2014
Accepted manuscript online:

PACS:	78.67.Bf	(Nanocrystals, nanoparticles, and nanoclusters)
	47.11.Bc	(Finite difference methods)
	78.55.-m	(Photoluminescence, properties and materials)

Fund: Project Project of Science and Technology of Shandong Province of China (Grant No. 2010GGX10127), and the Shandong Province Natural Science Foundation of China (Grant Nos. ZR2013EML006 and ZR2012AL11).

Corresponding Authors: Wang Qing-Ru
E-mail: wangqingru@lcu.edu.cn

About author: 78.67.Bf; 47.11.Bc; 78.55.-m

Cite this article:

Wang Qing-Ru (王青如), Shi Qiang (史强), Li Shu-Hong (李淑红), Wang Wen-Jun (王文军) Fluorescence enhancement of radix angelica dahurica by binding to single silver sphere 2015 Chin. Phys. B 24 057803

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Fluorescence enhancement of radix angelica dahurica by binding to single silver sphere

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