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Electrochemical and STM studies of FeS nanoparticles in NaCl model solutions

In order to get more insight in FeS nanoparticles (NPs) electrochemical behavior, electrochemical scanning tunneling microscopy (EC-STM) and cyclic voltammetry, were employed for in-situ nanometer scale measurements on different electrode surfaces (Hg, Au)1, 2. This approach has been used for the first time for characterization and determination of FeS NPs in NaCl electrolyte solution with an idea of getting more information related to attachment, adsorption, deposition and interaction between FeS NPs and functionalized electrode surfaces. Particle deposition mechanisms are studied in relation to variations of particle charge, particle size and applied electrode potentials.

FeS; nanoparticles; voltammetry; EC-STM

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