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Proceedings Paper

Surface enhanced Raman radiation of crystal violet dye with a SiO2 buffer
Author(s): Tung-Kai Liu; Wen-Chi Hung; Ming-Shan Tsai; Chia-Ling Lo; Yu-Sung Lin; Chie-Tong Kuo; I-Min Jiang
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Paper Abstract

Surface enhanced Raman radiation of crystal violet dye has been studied by modulating the localized surface plasmon effect of silver nanoparticles. In the experiment, a buffer layer of silicon dioxide (SiO2) was established between crystal violet dye and silver nanoparticles. With a probe of laser beam of 532 nm in wavelength, it was found that the intensity of the Raman scattering significantly depended on the thickness of SiO2 layer. A maximum Raman-radiation intensity occurred with a 10nm-thicked SiO2 layer. The experimental observation shows a possible modulation of surface enhanced Raman radiation by a proper dielectric buffer.

Paper Details

Date Published: 1 March 2011
PDF: 8 pages
Proc. SPIE 7947, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VIII, 79470W (1 March 2011); doi: 10.1117/12.874755
Show Author Affiliations
Tung-Kai Liu, National Sun Yat-Sen Univ. (Taiwan)
Wen-Chi Hung, National Sun Yat-Sen Univ. (Taiwan)
Ming-Shan Tsai, National Chiayi Univ. (Taiwan)
Chia-Ling Lo, National Chiayi Univ. (Taiwan)
Yu-Sung Lin, National Sun Yat-Sen Univ. (Taiwan)
Chie-Tong Kuo, National Sun Yat-Sen Univ. (Taiwan)
I-Min Jiang, National Sun Yat-Sen Univ. (Taiwan)


Published in SPIE Proceedings Vol. 7947:
Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VIII
Kurt G. Eyink; Frank Szmulowicz; Diana L. Huffaker, Editor(s)

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