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Russian Journal of Physical Chemistry A

, Volume 93, Issue 8, pp 1603–1609 | Cite as

Ag3BiO3/g-C3N4 Nanocomposite As Efficient Visible-Light Photocatalyst for Degradation of Methyl Orange

  • Zhe SongEmail author
  • Peng Lin
  • Fei Wang
  • Gangsheng Huang
  • Lei Chen
  • Nankui Qiu
PHOTOCHEMISTRY AND MAGNETOCHEMISTRY
  • 6 Downloads

Abstract

A novel Z-scheme Ag3BiO3/g-C3N4 composites were synthesized by a hydrothermal reaction method. The composition, structure and optical property of as-prepared catalysts were characterized by XRD, DRS, FT-IR, SEM, EDS, PL spectra. Compared with pure g-C3N4 and pure Ag3BiO3, the Ag3BiO3/g-C3N4 composites show enhanced photocatalytic activity (degradation efficiency was ~78% within 180 min) in photodegrading methyl orange (MO) under visible light irradiation. Combining with the scavenger experiment results, we found the superoxide radicals (\({}^{ \bullet }{\text{O}}_{2}^{ - }\)) and the holes (h+) were dominant active radical in the degradation of MO. Furthermore, we put forward a possible mechanism, a direct Z-scheme heterojunction between Ag3BiO3 and g-C3N4, with the photocatalytic activity results shown that the performance of Z-scheme Ag3BiO3/g-C3N4 composites were dependent on the content of g-C3N4.

Keywords:

visible light Z-scheme heterostruction degradation photocatalyst 

Notes

ACKNOWLEDGMENTS

This work was financially supported by Natural Science Foundation of Changchun Normal University ([2010]009).

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • Zhe Song
    • 1
    Email author
  • Peng Lin
    • 1
  • Fei Wang
    • 1
  • Gangsheng Huang
    • 1
  • Lei Chen
    • 1
  • Nankui Qiu
    • 1
  1. 1.College of Chemistry, Changchun Normal UniversityChangchunPeople’s Republic of China

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