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Fabrication of Ag-modified porous ZnMgO nanorods with enhanced photocatalytic performance

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Abstract

A series of Ag-modified porous ZnMgO nanorods (Ag/ZnMgO NRs) photocatalysts were prepared using a solvothermal method followed by a calcination treatment. The ZnMgO NRs showed a porous rod-like structure. Ag nanoparticles (NPs) were successfully loaded on the ZnMgO NRs to form a heterostructure. The rod-like structure of ZnMgO NRs was not affected after the modification with Ag NPs. The photocatalytic degradation performance under white light irradiation showed that 3% of Ag-modified porous ZnMgO NRs presented the highest photocatalytic performance, which can achieve the completely degradation of Rhodamine B and norfloxacin in only 20 min and 10 min, respectively. The improved photocatalytic performance of Ag/ZnMgO NRs is attributed to the key role of Ag NPs, which can effectively reduce the recombination of photogenerated electrons and holes and accelerate the transfer of photogenerated charge carriers, thus promoting the photocatalytic reaction process.

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Acknowledgements

This work was financially supported by the Research Fund of State Key Laboratory for Marine Corrosion and Protection of Luoyang Ship Material Research Institute (LSMRI) (KF160413), and the National Natural Science Foundation of China (21301161, 41376126).

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Authors and Affiliations

  1. School of Environment and Safety Engineering, Qingdao University of Science and Technology, 53# Zhengzhou Road, Qingdao, 266042, China

    Xiaoyan Deng, Qiang Zhang, Lin Wang, Jing Han, Yijiang Wu & Weibing Li

  2. State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSMRI), Wenhai Road, Qingdao, 266237, China

    Xiaoyan Deng, Zhiyong Sun, Weibing Li, Xiangbo Li, Likun Xu & Chang Feng

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  1. Xiaoyan Deng
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Correspondence to Chang Feng.

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Deng, X., Zhang, Q., Wang, L. et al. Fabrication of Ag-modified porous ZnMgO nanorods with enhanced photocatalytic performance. J Mater Sci: Mater Electron 29, 16962–16970 (2018). https://doi.org/10.1007/s10854-018-9791-8

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