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Research on Chemical Intermediates

, Volume 45, Issue 4, pp 2369–2381 | Cite as

Sandwich-like SnO2/MoO3−x prepared by electrostatic self-assembly for high-performance photocatalysis

  • Hanxin Zhang
  • Gongguan Wang
  • Guoliang Dai
  • Xiaowen XuEmail author
Article
  • 37 Downloads

Abstract

Sandwich-structured SnO2/MoO3−x has been successfully synthesized through electrostatic self-assembly. The crystal structure, morphology, size and composition of products were investigated by XRD, TEM (HRTEM), XPS and UV–Vis technologies. It was found that SnO2 nanoparticles are embedded between the layers of MoO3−x nanosheets. The investigation of photocatalytic properties indicated that the SnO2/MoO3−x heterostructure possessed excellent photocatalytic ability superior to SnO2 and MoO3 for the degradation of Rhodamine B and methylene blue driven by visible light. The results indicated that SnO2/MoO3−x acts as the trapping centers of photo-induced electrons and holes, which can promote the separation of photo-induced electron–hole pairs and charge migration. Furthermore, the photocatalyst SnO2/MoO3−x showed excellent recoverability as its photocatalytic activity remained even after five cycles.

Keywords

Sandwich-structure Heterojunction Electrostatic self-assembly Tin oxide Molybdenum trioxide 

Notes

Funding

The work was funded by National Science Foundation of China (21203135) and Natural Science Foundation for colleges and universities in Jiangsu Province (14KJB150024), both awarded to Dr. Xiaowen Xu.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

11164_2019_3743_MOESM1_ESM.docx (342 kb)
Supplementary material 1 (DOCX 341 kb)

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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of ChemistrySuzhou University of Science and TechnologySuzhouChina

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