10.57647/j.ijc.2025.1502.14

Synthesis of new CuO/La2CoFe2O7 nanocomposite, and investigation of Its photocatalytic property in removing organic dye

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  • Somaye Khammarnia*1,
  • Hassan Hassani1,
  1. Department of Chemistry, Payame Noor University, Tehran, Iran
ynthesis of new CuO/La2CoFe2O7 nanocomposite, and investigation of Its photocatalytic property in removing organic dye

Received: 2025-02-08

Revised: 2025-03-29

Accepted: 2025-04-26

Published in Issue 2025-05-03

Copyright (c) -1 Somaye Khammarnia, Hassan Hassani (Author)

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Khammarnia, S., & Hassani, H. (2025). Synthesis of new CuO/La2CoFe2O7 nanocomposite, and investigation of Its photocatalytic property in removing organic dye. Iranian Journal of Catalysis, 15(2 (June 2025). https://doi.org/10.57647/j.ijc.2025.1502.14
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Abstract

Some novel CuO (x)/La2CoFe2O7 (x=0-70%) nanocomposites were synthesized using the sol-gel method. The formation of CuO (x)/La2CoFe2O7 (x=0-70%) nanocomposites was verified via various methods such as XRD, SEM, TEM, FTIR, UV-VIS, VSM, and photoluminescence. A transmission electron microscope images show spherical particles such as La2CoFe2O7 and CuO (60%)/LCoFO with average grain sizes of 30 and 20 nm, respectively. VSM images show that the coercivity and saturation magnetization of this sample are about 137.53 Oe and 95.284 emu/g.The photocatalytic activity of CuO/La2CoFe2O7 (CuO/LCoFO) nanoparticles was investigated by photodegradation under UV light irradiation and under optimized conditions of dye concentration (1.5 × 10-3 M), pH (= 6), irradiation time (50 min), and catalyst dose (7.0 g/L). Nanocomposite 60% shows the highest photocatalytic activity compared to pure LCoFO nanocomposite and other photocatalysts. A non-toxic, cheap, and highly active CuO (60%)/LCoFO nanocomposite photocatalyst was proposed to remove Methyl green (MG) and Basic fuchsin (BF) dyes under UV light irradiation.

Research Highlights

  • Novel CuO (x)/La2CoFe2O7 (x=0-70100%) nanoparticles were successfully synthesized
  • Novel CuO (x)/La2CoFe2O7 (x=0-70%) nanoparticles Used as a catalyst
  • These nanocatalyst showed excellent photocatalytic activity
  • These nanocatalyst showed excellent photocatalytic activity for in removing organic dyes
  • These nanocatalyst showed excellent photocatalytic activity for in removing organic dyes
  • CuO(60%)LCoFO nanocomposite showed the highest MG and BF dye removal among the synthesized nanocomposites

Keywords

  • Basic fuchsin,
  • Methyl green,
  • Nanocomposite,
  • Photocatalysts
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