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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 359-362 |
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Shams A, Khadem H, Tavassoli S H. Fabrication of gold nanoparticle substrate for quantitative investigation of surface enhanced Raman spectroscopy and reduction of Rhodamine6G fluorescence. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :359-362
URL: http://opsi.ir/article-1-2378-en.html
URL: http://opsi.ir/article-1-2378-en.html
1- Laser and Plasma Research Institute, Shahid Beheshti University, Tehran, Iran
Abstract: (933 Views)
In this paper, by fabricating substrates of gold nanoparticles by citrate reduction method, we quantitatively investigate the surface enhanced Raman spectroscopy of the Rhodamine6G fluorescence sample. High fluorescence of Rhodamine causes no observation of Raman, so we need to reduce fluorescence and strengthen Raman. The presence of a gold nanoparticle substrate is done to enhance the Raman surface scattering and reduce fluorescence by Nanomatrial Surface Energy Transfer from the sample to the nanoparticles. Also, nanoparticle centrifuges could work on the uniformity and reproducibility of these substrates. Stability of nanostructures at different times and calibration diagrams, sample concentration relative to Raman intensity are also obtained. It is possible to measure in this method for samples up to 1 nM.
Keywords: Nanomatrial Surface Energy Transfer, Rhodamine, Surface Enhanced Raman spectroscopy, Raman Spectroscopy, gold nanoparticles
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