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Journal of Nanoparticle Research

Erschienen in:

01.06.2020 | Research paper

Engineered zinc oxide nanoaggregates for photocatalytic removal of ciprofloxacin with structure dependence

verfasst von: Jinyan Xiong, Wei Li, Kai Zhao, Weijie Li, Gang Cheng

Erschienen in: Journal of Nanoparticle Research | Ausgabe 6/2020

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Abstract

A simple and environment-friendly approach to prepare zinc oxide nanoaggregates was achieved by employing ethylene glycol–H₂O as the reaction medium. The composition and structure of the as-fabricated ZnO products were confirmed using X-ray diffraction, scanning and transmission electron microscopy, X-ray photoelectron spectroscopy, and nitrogen adsorption measurements. By tailoring the volume ratio of ethylene glycol to water, coral-like, flower-like, and nanoparticulate ZnO nanoaggregates were successfully synthesized. The impact of the structure of the as-obtained ZnO nanoaggregates on the photocatalytic degradation of ciprofloxacin was further studied. Under simulated solar light irradiation, the photocatalytic removal rate of coral-like, flower-like, and nanoparticulate ZnO nanoaggregates for ciprofloxacin was 45%, 80%, and 90%, respectively. The reactive species trapping experiment result indicated that the generated holes, OH⁻, and ·O₂⁻ active species mainly contributed to the degradation of ciprofloxacin. On the basis of photoluminescence spectra and photo/electrochemical measurement results, the prevention of electron-hole recombination and the rapid charge transfer upon the ZnO nanoparticle aggregates resulted in their efficient photocatalytic activity.

Vorheriger Artikel Controlled synthesis of reduced graphene oxide-carbon nanotube hybrids and their aqueous behavior

Nächster Artikel Biofabrication of gold nanoparticles with bone remodeling potential: an in vitro and in vivo assessment

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Titel: Engineered zinc oxide nanoaggregates for photocatalytic removal of ciprofloxacin with structure dependence
verfasst von: Jinyan Xiong
Wei Li
Kai Zhao
Weijie Li
Gang Cheng
Publikationsdatum: 01.06.2020
Verlag: Springer Netherlands
Erschienen in: Journal of Nanoparticle Research / Ausgabe 6/2020
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-020-04881-z

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