Journal
CRYSTALS
Volume 13, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/cryst13050769
Keywords
mechanochemical synthesis; lanthanum orthoferrite; Ce(IV) modification; persulfate activation; tetracycline chloride decomposition
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This study presents the synthesis of La1-xCexFeO3+x/2 orthoferrites (x = 0.00, 0.01, 0.03, 0.05, and 0.07) through a simple and effective mechanochemical transformation from constituent oxides. Physicochemical methods such as powder X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-Vis spectroscopy, and BET adsorption were used to investigate the influence of Ce4+ content on the structural, textural, and optical properties of the samples. The catalytic activity of the samples for water decontamination was evaluated in a photo-Fenton-like activation of persulfate, which showed significantly enhanced removal efficiency under visible light illumination.
The synthesis of orthoferrites of the type La1-xCexFeO3+x/2, x = 0.00, 0.01, 0.03, 0.05, and 0.07, by applying a simple and effective mechanochemical transformation from the constituent oxides is presented. Physicochemical methods such as powder X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-Vis spectroscopy, and Brunauer-Emmett-Teller (BET) adsorption were applied to gain information about the effect of Ce4+ content on the structural, textural, and optical properties of the samples. The catalytic activity of the samples for water decontamination was determined in a photo-Fenton-like activation of persulfate for removal of tetracycline hydrochloride as model pollutant. The presence of persulfate, PDS, considerably increased the removal efficiency under visible light illumination.
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