Abstract
Benzamide (BA), a simple molecule that can be utilized in material chemistry and chemical engineering as well as pharmacological and medicinal applications, has been characterized on vacuum-evaporated silver and gold nanostructures with SEIRA spectroscopy and density functional theory (DFT) calculation under ambient conditions. Assessments of thin-film formation on the metal nanoparticles indicated that BA readily ionizes in both the monolayer and multilayer when deposited from nonpolar solvents. Investigation on the stability of BA on metal nanostructures showed that unionized BA desorbs from the nanosurface within days while ionized BA on silver nanostructures can undergo further oxidation over time, producing surface-adsorbed phenyl isocyanate. Also, a brief investigation on variables influencing IR signal enhancement provided by the metal nanosurfaces was conducted; in general, gold nanostructures provide more enhancement than silver.
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