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Hydrothermal Synthesis of Zn2SnO4/Few-Layer Boron Nitride Nanosheets Hybrids as a Visible-Light-Driven Photocatalyst

  • Yijin Wang (王一瑾)
  • Xiangfeng Wu (吴湘锋)Email author
  • Zehua Zhao
  • Hui Li
  • Chenxu Zhang
  • Junzhang Su
  • Jiarui Zhang
  • Zuolin Cao
  • Yiwei Wang
  • Kaiyuan Wang
  • Juncheng Pan
Advanced Materials
  • 4 Downloads

Abstract

Zn2SnO4/few-layer boron nitride nanosheets (FBNNS) hybrids were synthesized via a one-step hydrothermal method. The structures, morphology, optical properties, electron transformation and separation of the as-prepared products were characterized by X-ray diffraction, transmission electrical microscopy, UV-vis diffuse reflectance spectroscopy and electrochemical impedance spectroscopy, respectively. Rhodamine B was used to evaluate the photocatalytic activities of the as-prepared samples under visible light illumination. The photocatalytic mechanism was also explored. Experimental results showed that the degradation efficiency of rhodamine B was firstly increased and then decreased with increasing the usage amount of FBNNS. When it was 9 wt% based on the weight of Zn2SnO4, the degradation efficiency of the as-prepared Zn2SnO4/FBNNS-9 wt% composites reached to the maximum of 97.5% in 180 min, which was higher than 39.2 % of pure Zn2SnO4. Moreover, the holes played mainly active roles in photocatalytic reaction process. In addition, the as-prepared hybrids could enhance the separation efficiency of photoexcited carriers compared to pure Zn2SnO4.

Key words

zinc stannate boron nitride nanosheets photocatalysis 

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Copyright information

© Wuhan University of Technology and Springer-Verlag GmbH Germany, Part of Springer Nature 2019

Authors and Affiliations

  • Yijin Wang (王一瑾)
    • 1
  • Xiangfeng Wu (吴湘锋)
    • 1
    Email author
  • Zehua Zhao
    • 1
  • Hui Li
    • 1
  • Chenxu Zhang
    • 1
  • Junzhang Su
    • 1
  • Jiarui Zhang
    • 1
  • Zuolin Cao
    • 1
  • Yiwei Wang
    • 1
  • Kaiyuan Wang
    • 1
  • Juncheng Pan
    • 1
  1. 1.School of Materials Science and Engineering, Hebei Provincial Key Laboratory of Traffic Engineering MaterialsShijiazhuang Tiedao UniversityShijiazhuangChina

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