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Title: TiO2-La2O3 as Photocatalysts in the Degradation of Naproxen
Authors: Marizcal Barba, Adriana
Limón Rocha, Isaías
Barrera, Arturo
Casillas, José Eduardo
González Vargas, Oscar Arturo
Rico, José Luis
Martínez Gómez, Claudia
Pérez Larios, Alejandro
Keywords: naproxen
Ti-La mixed oxides
photocatalytic activity
Issue Date: May-2022
Publisher: MDPI
Citation: : Marizcal-Barba, A.; Limón-Rocha, I.; Barrera. A.; Casillas, J.E.; González-Vargas, O.A.; Rico, J.L.; Martinez-Gómez, C.; Pérez-Larios, A. TiO2-La2O3 as Photocatalysts in the Degradation of Naproxen. Inorganics 2022, 10, 67.
Series/Report no.: Inorganics;2022, 10(5), 67.
Abstract: Abstract: The indiscriminate use of naproxen as an anti-inflammatory has been the leading cause of pollution in sewage effluents. Conversely, titanium dioxide is one of the most promising photocatalyst for the degradation of pollutants. Ti-La mixed oxides containing 0, 1, 3, 5, and 10 wt.% of lanthanum were synthetized by sol-gel and tested as photocatalysts in the degradation of naproxen (NPX). The materials were further characterized by X-ray diffraction (XRD), nitrogen physisorption (BET), scanning electron microscopy (SEM), UV-Vis and Fourier-transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS). The XRD patterns resembled that of anatase titania. The Eg values, determined from the UV-Vis spectra, vary from 2.07 to 3.2 eV corresponded to pure titania. The photocatalytic activity of these materials showed a degradation of naproxen from 93.6 to 99.8 wt.% after 4 h under UV irradiation.
Description: Artículo
ISSN: 2304-6740
Appears in Collections:3303 Artículos

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