Abstract

A novel method of electrochemical synthesis of yttrium aluminum garnet (YAG: Al5Y3O12) is successfully developed in the mixture of YCl3 and AlCl3 aqueous solution. The electrosynthesized YAG are further annealed and characterized by scanning electron microscopy (SEM) and atomic force microscopy (AFM). Ppy/YAG thin film is formed electrochemically on the surface of the stainless steel (SS). The anti-corrosive behavior of polypyrrole films in the presence of YAG nanoparticles synthesized by electropolymerisation on stainless steel (SS) electrodes have been investigated in artificial sea water solutions using potentiodynamic polarization and electrochemical impedance spectroscopy. The undoped polypyrrole synthesized in the presence of YAG nanoparticles coated electrodes offered a noticeable enhancement of protection against corrosion processes. Facile synthesis of YAG and Ppy/YAG nanocomposite and more efficient protection effect of nanocomposite film are main important novelty of the presented work.

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