Tris(2-ethylhexyl) 4,4',4''-(1,3,5-triazine-2,4,6-triyltriimino)tribenzoate
CAS Number:
88122-99-0
Molecular Formula:
C48H66N6O6
Wavelength modulated surface enhanced (resonance) Raman scattering for background-free detection
Literature Information
Publication Date
2013-03-07
DOI
10.1039/C3AN00043E
Impact Factor
4.616
Authors
Bavishna B. Praveen, Christian Steuwe, Michael Mazilu, Kishan Dholakia
View Original
Abstract
Spectra in surface-enhanced Raman scattering (SERS) are always accompanied by a continuum emission called the ‘background’ which complicates analysis and is especially problematic for quantification and automation. Here, we implement a wavelength modulation technique to eliminate the background in SERS and its resonant version, surface-enhanced resonance Raman scattering (SERRS). This is demonstrated on various nanostructured substrates used for SER(R)S. An enhancement in the signal to noise ratio for the Raman bands of the probe molecules is also observed. This technique helps to improve the analytical ability of SERS by alleviating the problem due to the accompanying background and thus making observations substrate independent.
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Analyst
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