Cationic distributions and dielectric properties of magnesium ferrites fabricated by sol-gel route and photocatalytic activity evaluation
Author:
Ata Sadia1, Bano Sara1, Bibi Ismat2, Alwadai Norah3, Mohsin Ijaz ul4, Al Huwayz Maryam3, Iqbal Munawar5, Nazir Arif6
Affiliation:
1. School of Chemistry, University of the Punjab , Lahore , Pakistan 2. Institute of Chemistry, The Islamia University of Bahawalpur , Bahawalpur , Pakistan 3. Department of Physics , College of Sciences, Princess Nourah bint Abdulrahman University , P.O. Box 84428 , Riyadh 11671 , Saudi Arabia 4. Institute of Applied Materials–Applied Materials Physics (IAM-AWP), Karlsruhe Institute of Technology , Karlsruhe , Germany 5. Department of Chemistry, Division of Science and Technology , University of Education , Lahore , Pakistan 6. Department of Chemistry , The University of Lahore , Lahore , Pakistan
Abstract
Abstract
Sol-gel auto combustion method was adopted to fabricate magnesium ferrite (MgFe2O4) nanoparticles. The structural and morphological properties was studied by XRD, FTIR, and SEM analysis. The average particle sizes of MgFe2O4 was in the range of 35–55 nm. The octahedral & Tetrahedral bond lengths, R
AE (tetrahedral edge length), R
BE (shared octahedral edge length) and R
BEU (individual octahedral edge length), cationic radii (tetra and octa-sites) were also determined. The magnetic strength also showed direct reliance on bond angle and indirect to bond length. Hoping length L
a and L
b and bond angles are also measured. The frequency dependent conductivity and dielectric properties of MgFe2O4 were investigated by Impedance analyzer. The photocatalytic activity (PCA) is appraised against MB (methylene blue) dye and MgFe2O4 calcined at 800 °C showed promising degradation (78%) under visible light irradiation. The findings revealed that MgFe2O4 is can harvest the solar light, which could be employed for the remediation of wastewater contains textile dyes.
Funder
Princess Nourah bint Abdulrahman University Researchers Supporting Project, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia. Abdulrahman University, Riyadh, Saudi Arabia.
Publisher
Walter de Gruyter GmbH
Subject
Physical and Theoretical Chemistry
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