Potentiostatically Deposited Iron Oxide Thin Films for Supercapacitive Study: Effect of Precursors

V. S. Shinde, J. V. Thombare and R. R. Kothawale

International Journal of Scientific Research in Science and Technology, 2025, vol. 12, issue 6, 569-577

Abstract: In this work we report electodeposition of iron oxide thin films using potentiostatic mode. The iron oxide films were electrodeposited with three different precursors like Ferrous Sulphate, Ferrous Nitrate and Ferric Chloride. Flexible SS strips are deposited in a 30 ml 0.1 M aqueous solutions of FeSO4, FeCl3, Fe(NO3)3 that were used as precursors solutions, which were set up in an ultra-pure double-distilled water bath. Electrodes so obtained from sulphate, chloride and nitrate precursors are abbreviated as FeS, FeC and FeN, respectively. The mixed phases of iron oxides are observed from X-ray diffraction study. These electrodes are studied for Supercapacitive study. The electrochemical data obtained through cyclic voltametry (CV) curves for different iron oxide samples are studied at a scan rate of 2 mV/SCE within a potential window of −1.6 to 0.2 V/SCE in a 1M KOH aqueous electrolyte. The maximum values of supercapacitance at 2 mV/s scan rate are found to be 398 F/g, 331 F/g and 144 F/g for (a) FeC, (b) FeN and (c) FeS, respectively.

Keywords: Electrodeposition; iron oxide; X-ray diffraction study; Supercapacitor (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:etm:ijsrst:v12:y2025:i6:id:1324

DOI: 10.32628/IJSRST25126380

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