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Journal of Materials Science
Erschienen in: Journal of Materials Science 16/2016

19.05.2016 | Original Paper

Design and preparation of easily recycled Ag2WO4@ZnO@Fe3O4 ternary nanocomposites and their highly efficient degradation of antibiotics

verfasst von: Juan Shen, Yi Lu, Jin-Ku Liu, Xiao-Hong Yang

Erschienen in: Journal of Materials Science | Ausgabe 16/2016

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Abstract

The Ag2WO4@ZnO@Fe3O4 ternary nanocomposites with high photodegradation activity were synthesized. Compared with Ag2WO4 and ZnO crystals, the ternary nanocomposites could improve the rate of degrading antibiotics to 152.00 and 143.00 %, respectively. Noticeably, the ternary nanocomposites completely degraded the TH within 1.75 h under sunlight irradiation, which paved a new way for its practical application. The matching of energy-band structure between Ag2WO4 and ZnO crystals induced an efficient photogenerated electron transfer from the conduction band of ZnO to the conduction band of Ag2WO4, leading to valid separation and transfer of photogenerated charge carrier, and the subsequent promotion of photocatalytic activity. Furthermore, the introduction of Fe3O4 particle not only realized the recycling of catalyst but also enhanced the utilization rate of visible light of Ag2WO4@ZnO@Fe3O4 ternary nanocomposites.
Vorheriger Artikel Formation mechanisms and evolution of precipitate-free zones at grain boundaries in an Al–Cu–Mg–Mn alloy during homogenisation

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Metadaten
Titel
Design and preparation of easily recycled Ag2WO4@ZnO@Fe3O4 ternary nanocomposites and their highly efficient degradation of antibiotics
verfasst von
Juan Shen
Yi Lu
Jin-Ku Liu
Xiao-Hong Yang
Publikationsdatum
19.05.2016
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 16/2016
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-016-0063-9

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