Electrodeposition of iron from 1-ethyl-3-methylimmidazolium trifluoromethanesulphonate and reverse microemulsions of Triton X-100

Electrodeposition of iron (Fe) was investigated in three different media: namely, a hydrophilic ionic liquid (IL), 1-ethyl-3-methylimmidazolium trifluoromethanesulphonate, conventional reverse microemulsion (RME)/reverse micellar solution, and IL based reverse microemulsion of a non-ionic surfactant, Triton X-100 with a view to achieving control over size, shape, and morphology of the electrodeposited iron. Electrochemical behavior of Fe2+ was studied using cyclic voltammetric technique with a copper electrode as the working electrode. Electrochemical reduction of Fe2+ in all the studied media was found to be an electrochemically irreversible, diffusion-controlled process. Successful potentiostatic electrodeposition of metallic iron was performed in all the studied media on copper substrate using bulk electrolysis method. The obtained iron electrodeposits were characterized using a scanning electron microscope (SEM) and an x-ray diffractometer (XRD). The controlled diffusion of Fe2+ tow..., Measurements using an Electrochemical Workstation
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The electrochemical measurements and electrodeposition were carried out with a computer-controlled electrochemical analyzer (Model: CHI 660E and CHI 760E, CH Instruments, Inc., USA) using a conventional single-compartment three-electrode cell. Prior to each measurement, the solution was purged with nitrogen gas to maintain an inert atmosphere during the course of the measurement. A homemade copper disc electrode (d = 1 mm) was used as the working electrode during cyclic voltammetric measurements. The electrode was mechanically polished using 0.05 m alumina paste (Buehler, country) to obtain a uniform surface and then rinsed thoroughly with distilled water and dried. The dried electrode was then introduced into the cell filled with the test solution. A platinum (Pt) wire was used as the counter electrode. A Ag/AgCl was used as the reference ...