Structural, optical, magnetic and photocatalytic properties of Mn-doped Fe2O3 nanostructured particles

In this research article, characterization and catalytic properties of manganese ion (Mn)-doped iron(III) oxide (Mn–Fe2O3) nanostructured particles have been reported. Mn–Fe2O3 samples were synthesized via the co-precipitation - thermal decomposition (CPTD) method. Samples were analyzed by X-ray dif...

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Bibliographic Details
Published inJournal of the Indian Chemical Society Vol. 101; no. 8
Main Authors Jayaprakash, N., Madhappan, Santhamoorthy, Karthikeyan, N.S., Chang, Sook-Keng, Suresh, R.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.08.2024
Subjects
Congo red
Decolorization
Fe2O3
Methylene blue
Mn doping
Photocatalysis
Pollutant removal
Decolorization
Congo red
Photocatalysis
Pollutant removal
Fe2O3
Mn doping
Methylene blue
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Summary:In this research article, characterization and catalytic properties of manganese ion (Mn)-doped iron(III) oxide (Mn–Fe2O3) nanostructured particles have been reported. Mn–Fe2O3 samples were synthesized via the co-precipitation - thermal decomposition (CPTD) method. Samples were analyzed by X-ray diffraction, spectroscopic, and microscopic techniques. The influence of the Mn-doping process in the phase and crystalline structure of Fe2O3 was determined by powder X-ray diffractometry (p-XRD), and Fourier transform infrared (FTIR) spectroscopy. The optical energy band gap and fluorescence feature of Mn–Fe2O3 samples were explored through UV–Visible absorption and fluorescence spectroscopies, respectively. The morphology and size of Mn–Fe2O3 were determined through field emission scanning electron microscopy (FE-SEM). The influence of Mn3+ ion concentration on the magnetic property of Fe2O3 was determined. The dye pollutant removal ability of Mn–Fe2O3 samples was examined by employing hydrogen peroxide (H2O2)-mediated degradation of Methylene blue (MB) and Congo red (CR) dyes under visible light conditions. The benefit of the Mn-doping process in the photocatalytic property of Fe2O3 was discussed. [Display omitted] •Mn-doped Fe2O3 nanoparticles were synthesized by co-precipitation-thermal decomposition method.•Influence of Mn-content on the structure, optical and magnetic properties of Fe2O3 were explored.•Photocatalytic properties of Mn-doped Fe2O3 samples were compared by using degradation of methylene blue and Congo red.•2 mol.% Mn-doped sample showed excellent photocatalytic efficiency
ISSN:0019-4522
DOI:10.1016/j.jics.2024.101208