Wyszukiwarka
Morphology Regulation Mechanism and Enhancement of Photocatalytic Performance of BiOX (X = Cl, Br, I) via Mannitol-Assisted Synthesis
Abstrakt
BiOX (X = Cl, Br, I) photocatalysts with dominant (110) facets were synthesized via a mannitol-assisted solvothermal method. This is the first report on the exposed (110) facets-, size-, and defects-controlled synthesis of BiOX achieved by solvothermal synthesis with mannitol. This polyol alcohol acted simultaneously as a solvent, capping agent, and/or soft template. The mannitol concentration on the new photocatalysts morphology and surface properties was investigated in detail. At the lowest concentration tested, mannitol acted as a structure-directing agent, causing unification of nanoparticles, while at higher concentrations, it functioned as a solvent and soft template. The effect of exposed (110) facet and surface defects (Bi(3−x)+, Bi4+, Bi5+) of BiOX on the photocatalytic activity of nanomaterials under the UV–Vis irradiation were evaluated by oxidation of Rhodamine B (RhB) and 5-fluorouracil (5-FU), an anticancer drug, and by reduction of Cr(VI). Additionally, the influence of crucial factors on the formation of BiOX in the synthesis with mannitol was discussed extensively, and the mechanism of BiOX formation was proposed. These studies presented a new simple method for synthesizing BiOX without any additional surfactants or shape control agents with good photocatalytic activity. The study also provided a better understanding of the effects of solvothermal conditions on the BiOX crystal growth.
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Autorzy (7)
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Patrycja Wilczewska
- Uniwersytet Gdański
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Aleksandra Bielicka-giełdoń dr
- Uniwersytet Gdański
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Karol Szczodrowski
- Uniwersytet Gdański
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Anna Malankowska
- Uniwersytet Gdański
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Karol Tabaka
- Uniwersytet Gdański
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Ewa Siedlecka
- Uniwersytet Gdański
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- Licencja
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otwiera się w nowej karcie
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
Catalysts
nr 11,
ISSN: 2073-4344 - Język:
- angielski
- Rok wydania:
- 2021
- Opis bibliograficzny:
- Wilczewska P., Bielicka-Giełdoń A., Szczodrowski K., Malankowska A., Ryl J., Tabaka K., Siedlecka E.: Morphology Regulation Mechanism and Enhancement of Photocatalytic Performance of BiOX (X = Cl, Br, I) via Mannitol-Assisted Synthesis// Catalysts -Vol. 11,iss. 3 (2021), s.312-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/catal11030312
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 136 razy
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