4.6 Article

Hierarchical La0.7Ce0.3FeO3/halloysite nanocomposite for photocatalytic degradation of antibiotics

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SPRINGER HEIDELBERG
DOI: 10.1007/s00339-016-0240-3

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Funding

  1. National Science Foundation of China [51002016]
  2. Jiangsu Technology Support Program [BE2014100, BE2014103]
  3. Jiangsu International Cooperation Project [BZ2015040]
  4. Huai'an International Cooperation Project [HAC2014014]

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The hierarchical La0.7Ce0.3FeO3/halloysite nanotubes (HNTs) composites have been successfully prepared via sol-gel method. XRD and TEM characterizations indicated that the sheet-like La0.7Ce0.3FeO3 coupled with the co-precipitated CeO2 were evenly deposited onto the surface of halloysite. The photocatalytic degradation of chlortetracycline under visible light irradiation using La0.7Ce0.3FeO3/HNTs as catalyst was evaluated by high-performance liquid chromatography, which exhibited remarkable photocatalytic activity with the removal rate up to 99 % in 90 min, due to the formation of solid solution/co-precipitation'' heterostructure as well as the excellent adsorptive capability of halloysite for antibiotics.

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