The SERS Spectra Detection of Norfloxacin on Silver Nanowires Substrate

Chinese Journal of Light Scattering ›› 2017, Vol. 29 ›› Issue (4) : 303. DOI: 10.13883/j.issn1004-5929.201704003

The SERS Spectra Detection of Norfloxacin on Silver Nanowires Substrate

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Abstract

In this paper, silver nanowires (AgNWs) were synthesized by a polyol process using AgNO3 as silver source, characterized by scanning electron microscope and UV-vis Spectrophotometer. It shows that the diameter and length of the AgNWs are uniform. The Raman signal were obtained using a handheld Raman spectrometer equipped with a 785 nm incident laser, The results show that the base has a good SERS effect, and the enhancement factor is achieved 1.44×107,When the concentration of 10-3~10-8 mol/L norfloxacin solution was measured, the concentration and intensity of the characteristic peaks were linearly fitted and found to have a good linear correlation. The correlation coefficient R2 was 0.941 01. In order to detect the dispersion of AgNWs on glass, six points were randomly picked on the substrate to obtain the Raman signal of norfloxacin solution (10-3 mol/L). To test the reproducibility of the spectrum, six Raman spectra of norfloxacin solution (10-5 mol/L) samples were detected. The experimental results show that the AgNWs have the better dispersion on the glass and a good spectrum reproducibility in testing norfloxacin

Key words

silver nanowires / norfloxacin / surface-enhanced Raman scattering / uniformity / reproducibility

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. The SERS Spectra Detection of Norfloxacin on Silver Nanowires Substrate. Chinese Journal of Light Scattering. 2017, 29(4): 303 https://doi.org/10.13883/j.issn1004-5929.201704003

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