Synthesis of visible light active GdFeO3 photocatalyst for photo-Fenton degradation of Indigo Carmine dye

Thi To Nga Phan; Manh Duc Nguyen; Doan Ngoc Linh Giang

doi:10.62239/jca.2024.020

Authors

Thi To Nga Phan School of Chemistry and Life Science, Hanoi University of Science and Technology
Manh Duc Nguyen School of Chemistry and Life Science, Hanoi University of Science and Technology
Doan Ngoc Linh Giang Taylor's College, Malaysia

DOI:

https://doi.org/10.62239/jca.2024.020

Keywords:

GdFeO3, hydrothermal method, photo-Fenton, degradation, dye

Abstract

Perovskite GdFeO₃ were prepared by a facile hydrothermal method and used as a visible-light-responsive photocatalyst. The as-prepared GdFeO₃ photocatalyst was characterized by X-ray Diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), N₂ adsorption-desorption, and Ultraviolet–Visible Diffuse Reflectance Spectroscopy (UV-vis DRS). The photo-Fenton catalytic activities of perovskite GdFeO₃ were investigated for the degradation of Indigo Carmine. The results showed that GdFeO₃ photocatalyst had a good performance under visible light irradiation. The remarkable enhancement photo-Fenton catalytic activity of GdFeO₃material could be attributed to its small particle size and narrow band gap energy.

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