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Erschienen in:
2024 | OriginalPaper | Buchkapitel
Photocatalysts Based on Graphitic Carbon Nitride for 5-Fluorouracil Degradation: Effect of the ZnO Addition
verfasst von : Álvaro Pérez-Molina, Luisa M. Pastrana-Martínez, Sergio Morales-Torres, Francisco J. Maldonado-Hódar
Erschienen in: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (3rd Edition)
Verlag: Springer Nature Switzerland
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Abstract
Graphitic-carbon nitride–zinc oxide (g-C3N4/ZnO) composite was synthetized by one-pot method. Intimate mixtures of melamine and zinc nitrate prepared by milling were thermally treated in air. The obtained materials were studied by X-ray diffraction (XRD), physisorption of N2 at − 196 ºC, scanning electron microscopy (SEM) and point zero of charge (pHPZC). Photocatalytic activity in aqueous solution under UV-LED irradiation (λ = 385 nm) was evaluated in the degradation of a model cytostatic drug, namely 5-fluorouracil (5-FU). The formation of g-C3N4 particles on ZnO structures improved the porosity and the basic surface character of the composite, favoring the photoactivity for the 5-FU removal. g-C3N4/ZnO showed higher efficiency than the pure phases used as reference, including also a benchmark TiO2 photocatalyst.