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

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Abstract

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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Acknowledgments

This work was partially supported by the National Science Foundation of China (51002016), Jiangsu Technology Support Program (BE2014100, BE2014103), Jiangsu International Cooperation Project (BZ2015040) and Huai’an International Cooperation Project (HAC2014014).

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Authors and Affiliations

  1. Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, People’s Republic of China

    Xiazhang Li, Wei Zhu, Xiangyu Yan & Chao Yao

  2. R&D Center of Xuyi Attapulgite Applied Technology, Chinese Academy of Science, Xuyi, 211700, People’s Republic of China

    Xiazhang Li, Xiaowang Lu & Chao Yao

  3. Center for Advanced Microscopy and Microanalysis, University of Delaware, Newark, DE, 19716, USA

    Chaoying Ni

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  1. Xiazhang Li
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  2. Wei Zhu
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  3. Xiangyu Yan
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  4. Xiaowang Lu
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  5. Chao Yao
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Correspondence to Xiazhang Li or Chao Yao.

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Li, X., Zhu, W., Yan, X. et al. Hierarchical La0.7Ce0.3FeO3/halloysite nanocomposite for photocatalytic degradation of antibiotics. Appl. Phys. A 122, 723 (2016). https://doi.org/10.1007/s00339-016-0240-3

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