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Synthesis of nanocrystalline nickel-zinc ferrite (Ni0.8Zn0.2Fe2O4) thin films by chemical bath deposition method |
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| Authors: | DK PawarSM Pawar PS PatilSS Kolekar |
| Affiliation: | a Department of Chemistry, Shivaji University, Kolhapur 416 004 (M.S.), India b Department of Materials Science and Engineering, Chonnam National University, 500 757,South Korea c Department of Physics, Shivaji University, Kolhapur 416 004 (M.S.), India |
| Abstract: | The nickel-zinc ferrite (Ni0.8Zn0.2Fe2O4) thin films have been successfully deposited on stainless steel substrates using a chemical bath deposition method from alkaline bath. The films were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), static water contact angle and cyclic voltammetry measurements. The X-ray diffraction pattern shows that deposited Ni0.8Zn0.2Fe2O4 thin films were oriented along (3 1 1) plane. The FTIR spectra showed strong absorption peaks around 600 cm−1 which are typical for cubic spinel crystal structure. SEM study revealed compact flakes like morphology having thickness ∼1.8 μm after air annealing. The annealed films were super hydrophilic in nature having a static water contact angle (θ) of 5°.The electrochemical supercapacitor study of Ni0.8Zn0.2Fe2O4 thin films has been carried out in 6 M KOH electrolyte.The values of interfacial and specific capacitances obtained were 0.0285 F cm−2 and 19 F g−1, respectively. |
| Keywords: | Nickel-zinc ferrite Chemical bath deposition Flakes like morphology X-ray diffraction Cyclic voltammetry |
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