Potential Modulated Surface-enhanced Raman Spectroscopy of Tolmetin at Gold Nanoparticle Film Functionalised Polarisable Liquid-Liquid Interfaces
Madjid Tarabet,
Nataly Rey-Muñoz,
Micheál Scanlon
et al.
Abstract:An aqueous colloidal suspension of gold nanoparticles (AuNPs) may be condensed into a thin fractal film at the polarisable liquid-liquid interface formed between two immiscible electrolyte solutions (ITIES) upon injection of millimolar concentrations of sodium chloride to the aqueous phase. By adjusting the interfacial polarisation conditions (negative, intermediate, and positive open-circuit potentials), the morphology of the film is modified, resulting in unique surface plasmon properties of the film, which … Show more
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