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Shape-dependent photocatalytic performance of SnFe2O4 nanocrystals synthesized by hydrothermal method

  • Enlei Zhang
  • Lijie Wang
  • Bengui Zhang
  • Yingpeng Xie
  • Guosheng Wang
Brief Communication: Nano-structured materials (particles, fibers, colloids, composites, etc.)

Abstract

SnFe2O4 nanocrystals (nanocubes and nanodisks) were synthesized without using any surfactant by hydrothermal method. The morphologies of SnFe2O4 nanocrystals were depended mainly on the concentration of NaOH solution in hydrothermal condition. Transient photoelectron chemical analysis showed that the photoelectric performance of SnFe2O4 nanocubes (1.3 μA/cm2) was better than that of SnFe2O4 nanodisks (0.8 μA/cm2). The photocatalytic activity of SnFe2O4 nanocrystals was measured by degradation of Congo red solution under visible light irradiation. As a result, SnFe2O4 nanocubes showed a superior photocatalytic degradation of Congo red with the degradation rate of 92% in 120 min. The SnFe2O4 nanocubes can be recovered easily be a magnet and reused for 5 times with remained degradation efficiency about 85%. A possible photocatalytic mechanism has also been proposed. The SnFe2O4 nanocubes have good potential in water treatment applications.

Highlights

  • SnFe2O4 nanocubes and nanodisks were synthesized without using any surfactant under hydrothermal condition;

  • The concentration of NaOH solution played a critical role in morphology of SnFe2O4 nanocrystals;

  • The SnFe2O4 nanocubes showed the higher photoelectrochemical performance than SnFe2O4 nanodisks;

  • The SnFe2O4 nanocubes exhibited superior photocatalytic oxidation performance.

Keywords

FeSnO(OH)5 Shape control SnFe2O4 Photocatalytic 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

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

Authors and Affiliations

  • Enlei Zhang
    • 1
  • Lijie Wang
    • 1
  • Bengui Zhang
    • 1
  • Yingpeng Xie
    • 1
  • Guosheng Wang
    • 1
  1. 1.College of Chemical EngineeringShenyang University of Chemical TechnologyShenyangPeople’s Republic of China

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