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Development of novel (BiO)2OHCl/BiOBr enriched with boron doped-carbon nanowalls for photocatalytic cytostatic drug degradation: Assessing photocatalytic process utilization in environmental condition
Abstrakt
In this work, a series of novel (BiO)2OHCl/BiOBr-x%B:DGNW (x = 0%, 1%, 1.5%, 2%) composites with different content of boron-doped diamond/graphene nanowalls (B:DGNW) were fabricated by simple solvothermal synthesis. A boron-doped diamond/graphene nanowalls (B:DGNW) were prepared by CVD method. A series of analyses: XRD, XPS, SEM, and TEM showed that the photocatalyst (BiO)2OHCl/BiOBr-x%B:DGNW with a “flower-like” morphology was successfully synthesized. The photocatalytic activity of the obtained composites in the degradation of 5-fluorouracil (5-FU) in various water matrices (deionized water, sea, and surface water) under the influence of artificial solar radiation was assessed. The results showed that all the prepared (BiO)2OHCl/BiOBr-x%B:DGNW composites were characterized by excellent photocatalytic activity. The calculated pseudo-first rate constant for 5-FU degradation increased with the elevation of amount of B:DGNW up to 1.5% in (BiO)2OHCl/BiOBr, and it dropped down to value obtained for non-riched material by B:DGNW, when of 2% B:DGNW was introduced to composite. The results showed that B:DGNW play a key role in the separation of charge carriers h+/e- enhancing degradation rate of 5-FU. The photoactivity of (BiO)2OHCl/BiOBr-1.5%B:DGNW composite to 5-FU removal was also satisfied in natural water, although its structure has changed in seawater.
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Autorzy (10)
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Patrycja Wilczewska
- University of Gdansk
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Aleksandra Bielicka-giełdoń dr
- University of Gdansk
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Mirosław Sawczak dr hab. inż.
- Institute of Fluid-Flow Machinery PAS
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Karol Szczodrowski
- University of Gdansk
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Anna Malankowska
- University of Gdansk
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Fei Qi
- Beijing Forestry University
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Ewa Siedlecka
- University of Gdansk
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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APPLIED SURFACE SCIENCE
nr 586,
ISSN: 0169-4332 - Język:
- angielski
- Rok wydania:
- 2022
- Opis bibliograficzny:
- Wilczewska P., Bielicka-Giełdoń A., Ryl J., Sobaszek M., Sawczak M., Bogdanowicz R., Szczodrowski K., Malankowska A., Qi F., Siedlecka E.: Development of novel (BiO)2OHCl/BiOBr enriched with boron doped-carbon nanowalls for photocatalytic cytostatic drug degradation: Assessing photocatalytic process utilization in environmental condition// APPLIED SURFACE SCIENCE -Vol. 586, (2022), s.152664-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.apsusc.2022.152664
- Źródła finansowania:
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 119 razy
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