One-step synthesis of magnetic recoverable Ag2S/Fe3O4/MoS2 nanocomposites for enhanced visible light photocatalysis

  • Meng-Jie Chang
  • Wen-Na Cui
  • Jun LiuEmail author
  • Zhen-Min Luo
  • Meng Sun
  • Lei Qiu
  • Si-Meng Fan


A novel magnetic Ag2S/Fe3O4/MoS2 hybrid nanostructure was facilely fabricated by one-step hydrothermal synthesis of MoS2 in the presence of satellite structured Ag/Fe3O4 nanoparticles (NPs), in which process Ag was vulcanized into Ag2S NPs concurrent with the production of MoS2. As a result, flower-like MoS2 nanostructures with only several layers in thickness uniformly attached with high-crystallized Ag2S and Fe3O4 NPs were synthesized from the X-ray diffraction (XRD) and transmission electron microscopy (TEM) results. The Ag2S/Fe3O4/MoS2 hybrids exhibit stronger visible light absorption due to the narrow band gaps of Ag2S and MoS2 component. The obtained Ag2S/Fe3O4/MoS2 hybrid nanostructures can be collected and separated with a magnet conveniently. Moreover, the catalytic performance toward decomposition of Rhodamine B (RhB) can be remarkably improved to 73.3% by Ag2S/Fe3O4/MoS2-1 hybrids compared with the Fe3O4/MoS2-1 of 39.9% within 120 min visible light illumination due to the formation of semiconductor interface.



This work was supported by the National Natural Science Foundation of China (21501140, 21403165).


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Meng-Jie Chang
    • 1
  • Wen-Na Cui
    • 1
  • Jun Liu
    • 1
    Email author
  • Zhen-Min Luo
    • 2
  • Meng Sun
    • 1
  • Lei Qiu
    • 1
  • Si-Meng Fan
    • 1
  1. 1.Department of Materials Science and EngineeringXi’an University of Science and TechnologyXi’anPeople’s Republic of China
  2. 2.College of Safety Science and EngineeringXi’an University of Science and TechnologyXi’anPeople’s Republic of China

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