Effect of Silver Concentration towards Formationof AgPt Nanofernfilms as SERS Substrates

Abstract:

This paper reports the preparation of silver-platinum (AgPt) nanofernson ITO surface using liquid phase deposition technique with various concentrations of silver nitrate in synthesis solution. The different morphologies of AgPt thin films were grown on the surface using 0.1 mM to 0.8 mM of silver concentration. This silver effect on the growth of AgPt on the surfacewas studied using FESEM and UV-Vis characterization. It was found that the optimum silver concentration in synthesis solution supplied the appropriate Ag⁺ion to grow the nanofernsstructure on the surface. AgPt films were then carried out to sense 1.0 M of creatinine concentration to learn their performance as surface-enhanced Raman scattering (SERS) substrate. The sensitivity of SERS substrate towards creatinine detection was studied by observing the change of Raman spectra of the creatinine on ITO surface and creatinine on AgPt films surface.

• Periodical: Materials Science Forum (Volume 948)
• Pages: 231-236
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.948.231
• Online since: March 2019
• Authors: Norhayati Abu Bakar*, Nur Adliha Abdullah, Akrajas Ali Umar, Muhamad Mat Salleh, Joe George Shapter
• Keywords: AgPt Nanofern, Creatinine, SERS Substrate

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