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Visible-light-driven CeO2/black phosphorus heterostructure with enhanced photocatalytic performance

  • Chengli He
  • Heming Qian
  • Xiazhang Li
  • Xiangyu Yan
  • Shixiang Zuo
  • Junchao Qian
  • Qun Chen
  • Chao Yao
Article

Abstract

CeO2/black phosphorus (BP) heterostructure nanocomposite was synthesized via a two-step assembly method. The structure and optical property of the prepared composites were characterized by X-ray diffraction, transmission electron microscopy, UV–Vis diffuse reflectance spectroscopy (UV–Vis), Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. Photocatalytic degradation of bisphenol A (BPA) in simulated waste water was performed by using CeO2/BP nanocomposite as catalyst. Results indicated that the degradation rate of BPA reached 82.3% within 180 min, which was remarkably improved compared with pure CeO2 and BP due to the formation of indirect Z-scheme heterostructure intermediated by oxygen vacancies originated from CeO2. The unique heterostructure facilitated the charge transfer and preserved the high redox potential leading to improve the photocatalytic degradation performance.

Notes

Acknowledgements

This work was supported by the National Science Foundation of China (Grant Nos. 51674043, 51702026), Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology (Grant No. BM2012110) and Postgraduate Research & Practice Innovation Program of Jiangsu Province (SJCX18_0951).

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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Advanced Catalysis and Green Manufacturing Collaborative Innovation CenterChangzhou UniversityChangzhouPeople’s Republic of China
  2. 2.Department of Materials Science and EngineeringUniversity of DelawareNewarkUSA
  3. 3.Jiangsu Key Laboratory for Environment Functional MaterialsSuzhou University of Science and TechnologySuzhouPeople’s Republic of China

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