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Structural, morphological, and electrochemical investigation of Mn0.3Co0.2Zn0.5Fe2O4-polyaniline nanocomposite for supercapacitor application.

Authors :
Mahajan, Hamnesh
Kumar, Shammi
Sharma, Anjori
Mohammed, Ibrahim
Thakur, Manisha
Kour, Simrandeep
Kaur, Amarjeet
Srivastava, Ajeet Kumar
Source :
Journal of Materials Science: Materials in Electronics; Dec2022, Vol. 33 Issue 35, p26590-26603, 14p
Publication Year :
2022

Abstract

The present research deals in preparing Mn<subscript>0.3</subscript>Co<subscript>0.2</subscript>Zn<subscript>0.5</subscript>Fe<subscript>2</subscript>O<subscript>4</subscript> (spinel ferrite) by sol–gel procedure, polyaniline (PANI) by chemical oxidative method, and Mn<subscript>0.3</subscript>Co<subscript>0.2</subscript>Zn<subscript>0.5</subscript>Fe<subscript>2</subscript>O<subscript>4</subscript>-PANI nanocomposite by physical blending method. X-ray diffraction (XRD) study affirms the formation of Mn<subscript>0.3</subscript>Co<subscript>0.2</subscript>Zn<subscript>0.5</subscript>Fe<subscript>2</subscript>O<subscript>4</subscript>-PANI nanocomposite owing to the appearance of two different types of peaks: sharp Mn<subscript>0.3</subscript>Co<subscript>0.2</subscript>Zn<subscript>0.5</subscript>Fe<subscript>2</subscript>O<subscript>4</subscript> peaks, and broader PANI peaks. Fourier transform infrared spectroscopy (FTIR) of Mn<subscript>0.3</subscript>Co<subscript>0.2</subscript>Zn<subscript>0.5</subscript>Fe<subscript>2</subscript>O<subscript>4</subscript>-PANI nanocomposite shows all characteristic vibrational bands, which are observed in the Mn<subscript>0.3</subscript>Co<subscript>0.2</subscript>Zn<subscript>0.5</subscript>Fe<subscript>2</subscript>O<subscript>4</subscript> and PANI spectra. Field emission scanning electron microscopy (FESEM) micrographs have been employed for measuring the average particle size by using ImageJ software. The encapsulation of the synthesized ferrite nanoparticle with the PANI matrix is exhibited by the FESEM micrograph of Mn<subscript>0.3</subscript>Co<subscript>0.2</subscript>Zn<subscript>0.5</subscript>Fe<subscript>2</subscript>O<subscript>4</subscript>-PANI nanocomposite. The electrochemical activity of the novel Mn<subscript>0.3</subscript>Co<subscript>0.2</subscript>Zn<subscript>0.5</subscript>Fe<subscript>2</subscript>O<subscript>4</subscript>-PANI nanocomposite is manifested to be higher as compared to their counterparts on account of synergistic impact, continual movement of electrons toward the electrode, and multiple redox reactions. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
09574522
Volume :
33
Issue :
35
Database :
Complementary Index
Journal :
Journal of Materials Science: Materials in Electronics
Publication Type :
Academic Journal
Accession number :
160459397
Full Text :
https://doi.org/10.1007/s10854-022-09335-x