Effect of oxidation on surface-enhanced Raman scattering activity of silver nanoparticles: a quantitative correlation.

Abstract

We quantitatively studied, using X-ray photoelectron spectroscopy (XPS), oxidation of substrate-immobilized silver nanoparticles (Ag NPs) in a wide range of conditions, including exposure to ambient air and controlled ozone environment under UV irradiation, and we correlated the degree of silver oxidation with surface-enhanced Raman scattering (SERS… (More)
DOI: 10.1021/ac2005839

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