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Well-dispersed zero-valent iron supported on Fe3O4/g-C3N4 composites via a facile approach with versatile photoredox catalysis

  • Xiu Wang
  • Dai Lizong
Research Paper
  • 31 Downloads

Abstract

A well-dispersed Fe0/Fe3O4/g-C3N4 ternary hybrid composition was successfully synthesized through a calcination route followed by a hydrothermal treatment. It was significant to find that Fe0/Fe3O4/g-C3N4 possesses the optimal photocatalytic efficiency and excellent reusability toward Cr(VI) and RhB. The enhanced photocatalytic efficiency was attributable to the comprehensive factors including intimate contact of Fe0/Fe3O4 with g-C3N4, efficacious recombination inhibition of photoexcited carries, and synergistic interaction between each composition. Moreover, the photoredox catalytic mechanism of Fe0/Fe3O4/g-C3N4 was clearly proved by transient photocurrent responses, PL spectra properties, and exploring the formed active radicals that contribute to the improved photoredox activity. It is expected that our work could offer a notional guidance to design a promising photocatalytic compound for simultaneously degrading heavy metal ions and organic pollutant.

Keywords

High-dispersed Fe0/Fe3O4/g-C3N4 Synergistic Photostability Photocatalytic Nanostructured catalysts 

Notes

Funding information

This work was financially supported by the National Natural Science Foundation of China (nos. 51472050 and 51402295).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Department of Materials Science and Engineering, College of MaterialsXiamen UniversityXiamenChina
  2. 2.Fujian Provincial Key Laboratory of Fire Retardant MaterialsXiamen UniversityXiamenChina

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